1 files changed, 766 insertions, 770 deletions

diff --git a/bin/tests/system/dns64/tests.sh b/bin/tests/system/dns64/tests.sh
index 230246a..bff050e 100644
--- a/bin/tests/system/dns64/tests.sh
+++ b/bin/tests/system/dns64/tests.sh
@@ -21,1386 +21,1382 @@ rm -f dig.out.*
 
 DIGOPTS="+tcp +noadd +nosea +nostat +nocmd -p ${PORT}"
 
-for conf in conf/good*.conf
-do
-        echo_i "checking that $conf is accepted ($n)"
-        ret=0
-        $CHECKCONF "$conf" || ret=1
-        n=`expr $n + 1`
-        if [ $ret != 0 ]; then echo_i "failed"; fi
-        status=`expr $status + $ret`
+for conf in conf/good*.conf; do
+  echo_i "checking that $conf is accepted ($n)"
+  ret=0
+  $CHECKCONF "$conf" || ret=1
+  n=$(expr $n + 1)
+  if [ $ret != 0 ]; then echo_i "failed"; fi
+  status=$(expr $status + $ret)
 done
 
-for conf in conf/bad*.conf
-do
-        echo_i "checking that $conf is rejected ($n)"
-        ret=0
-        $CHECKCONF "$conf" >/dev/null && ret=1
-	n=`expr $n + 1`
-        if [ $ret != 0 ]; then echo_i "failed"; fi
-        status=`expr $status + $ret`
+for conf in conf/bad*.conf; do
+  echo_i "checking that $conf is rejected ($n)"
+  ret=0
+  $CHECKCONF "$conf" >/dev/null && ret=1
+  n=$(expr $n + 1)
+  if [ $ret != 0 ]; then echo_i "failed"; fi
+  status=$(expr $status + $ret)
 done
 
 # Check the example. domain
 
 echo_i "checking non-excluded AAAA lookup works ($n)"
 ret=0
-$DIG $DIGOPTS aaaa-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS aaaa-only.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA lookup works ($n)"
 ret=0
-$DIG $DIGOPTS excluded-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS excluded-only.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded AAAA and non-mapped A lookup works ($n)"
 ret=0
-$DIG $DIGOPTS excluded-bad-a.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS excluded-bad-a.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA and mapped A lookup works ($n)"
 ret=0
-$DIG $DIGOPTS excluded-good-a.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:aaaa::1.2.3.4" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS excluded-good-a.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:aaaa::1.2.3.4" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking default exclude acl ignores mapped A records (all mapped) ($n)"
 ret=0
-$DIG $DIGOPTS a-and-mapped.example. @10.53.0.2 -b 10.53.0.4 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:bbbb::1.2.3.5" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS a-and-mapped.example. @10.53.0.2 -b 10.53.0.4 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:bbbb::1.2.3.5" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking default exclude acl ignores mapped A records (some mapped) ($n)"
 ret=0
-$DIG $DIGOPTS a-and-aaaa-and-mapped.example. @10.53.0.2 -b 10.53.0.4 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::4" dig.out.ns2.test$n > /dev/null || ret=1
-grep "::ffff:1.2.3.4" dig.out.ns2.test$n > /dev/null && ret=1
-grep "::ffff:1.2.3.5" dig.out.ns2.test$n > /dev/null && ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS a-and-aaaa-and-mapped.example. @10.53.0.2 -b 10.53.0.4 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::4" dig.out.ns2.test$n >/dev/null || ret=1
+grep "::ffff:1.2.3.4" dig.out.ns2.test$n >/dev/null && ret=1
+grep "::ffff:1.2.3.5" dig.out.ns2.test$n >/dev/null && ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking default exclude acl works with AAAA only ($n)"
 ret=0
-$DIG $DIGOPTS aaaa-only.example. @10.53.0.2 -b 10.53.0.4 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS aaaa-only.example. @10.53.0.2 -b 10.53.0.4 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking default exclude acl A only lookup works ($n)"
 ret=0
-$DIG $DIGOPTS a-only.example. @10.53.0.2 -b 10.53.0.4 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:bbbb::102:305" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS a-only.example. @10.53.0.2 -b 10.53.0.4 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:bbbb::102:305" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking partially excluded only AAAA lookup works ($n)"
 ret=0
-$DIG $DIGOPTS partially-excluded-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::3" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS partially-excluded-only.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::3" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking partially-excluded AAAA and non-mapped A lookup works ($n)"
 ret=0
-$DIG $DIGOPTS partially-excluded-bad-a.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS partially-excluded-bad-a.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking partially-excluded only AAAA and mapped A lookup works ($n)"
 ret=0
-$DIG $DIGOPTS partially-excluded-good-a.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS partially-excluded-good-a.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking AAAA only lookup works ($n)"
 ret=0
-$DIG $DIGOPTS aaaa-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS aaaa-only.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A only lookup works ($n)"
 ret=0
-$DIG $DIGOPTS a-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:aaaa::102:305" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS a-only.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:aaaa::102:305" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A and AAAA lookup works ($n)"
 ret=0
-$DIG $DIGOPTS a-and-aaaa.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS a-and-aaaa.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-mapped A lookup works ($n)"
 ret=0
-$DIG $DIGOPTS a-not-mapped.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS a-not-mapped.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking NODATA AAAA lookup works ($n)"
 ret=0
-$DIG $DIGOPTS mx-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS mx-only.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-existent AAAA lookup works ($n)"
 ret=0
-$DIG $DIGOPTS non-existent.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS non-existent.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-excluded AAAA via CNAME lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA via CNAME lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-excluded-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-excluded-only.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded AAAA and non-mapped A via CNAME lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-excluded-bad-a.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-excluded-bad-a.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA and mapped A via CNAME lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-excluded-good-a.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:aaaa::1.2.3.4" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-excluded-good-a.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:aaaa::1.2.3.4" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking AAAA only via CNAME lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A only via CNAME lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-a-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:aaaa::102:305" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-a-only.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:aaaa::102:305" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A and AAAA via CNAME lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-a-and-aaaa.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-a-and-aaaa.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-mapped A via CNAME lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-a-not-mapped.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "CNAME	a-not-mapped.example." dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-a-not-mapped.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "CNAME	a-not-mapped.example." dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking NODATA AAAA via CNAME lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-mx-only.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "CNAME	mx-only.example." dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-mx-only.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "CNAME	mx-only.example." dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-existent AAAA via CNAME lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-non-existent.example. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-non-existent.example. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 # Check the example. domain recursive only
 
 echo_i "checking non-excluded AAAA lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded AAAA and non-mapped A lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA and mapped A lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:bbbb::1.2.3.4" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:bbbb::1.2.3.4" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking partially excluded only AAAA lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS partially-excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::3" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS partially-excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::3" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking partially-excluded AAAA and non-mapped A lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS partially-excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS partially-excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking partially-excluded only AAAA and mapped A lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS partially-excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS partially-excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking AAAA only lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A only lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS a-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:bbbb::102:305" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS a-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:bbbb::102:305" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A and AAAA lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS a-and-aaaa.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS a-and-aaaa.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-mapped A lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS a-not-mapped.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS a-not-mapped.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking NODATA AAAA lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS mx-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS mx-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-existent AAAA lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS non-existent.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS non-existent.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-excluded AAAA via CNAME lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA via CNAME lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS cname-excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded AAAA and non-mapped A via CNAME lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS cname-excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA and mapped A via CNAME lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS cname-excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:bbbb::102:304" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:bbbb::102:304" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking AAAA only via CNAME lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A only via CNAME lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS cname-a-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:bbbb::102:305" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-a-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:bbbb::102:305" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A and AAAA via CNAME lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS cname-a-and-aaaa.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-a-and-aaaa.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-mapped A via CNAME lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS cname-a-not-mapped.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "CNAME	a-not-mapped.example." dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-a-not-mapped.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "CNAME	a-not-mapped.example." dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking NODATA AAAA via CNAME lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS cname-mx-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "CNAME	mx-only.example." dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-mx-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "CNAME	mx-only.example." dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-existent AAAA via CNAME lookup works, recursive only ($n)"
 ret=0
-$DIG $DIGOPTS cname-non-existent.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-non-existent.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 # Check the example. domain recursive only w/o recursion
 
 echo_i "checking non-excluded AAAA lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::3" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::3" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded AAAA and non-mapped A lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA and mapped A lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking partially excluded only AAAA lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec partially-excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee:" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::3" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec partially-excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee:" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::3" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking partially-excluded AAAA and non-mapped A lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec partially-excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee:" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec partially-excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee:" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking partially-excluded only AAAA and mapped A lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec partially-excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee:" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec partially-excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee:" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking AAAA only lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A only lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec a-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec a-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A and AAAA lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec a-and-aaaa.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec a-and-aaaa.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-mapped A lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec a-not-mapped.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec a-not-mapped.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking NODATA AAAA lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec mx-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec mx-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-existent AAAA lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec non-existent.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec non-existent.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-excluded AAAA via CNAME lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec cname-aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec cname-aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA via CNAME lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec cname-excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::3" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec cname-excluded-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::3" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded AAAA and non-mapped A via CNAME lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec cname-excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec cname-excluded-bad-a.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA and mapped A via CNAME lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec cname-excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec cname-excluded-good-a.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking AAAA only via CNAME lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec cname-aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec cname-aaaa-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A only via CNAME lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec cname-a-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "CNAME	a-only.example." dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec cname-a-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "CNAME	a-only.example." dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A and AAAA via CNAME lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec cname-a-and-aaaa.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec cname-a-and-aaaa.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-mapped A via CNAME lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec cname-a-not-mapped.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "CNAME	a-not-mapped.example." dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec cname-a-not-mapped.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "CNAME	a-not-mapped.example." dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking NODATA AAAA via CNAME lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec cname-mx-only.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "CNAME	mx-only.example." dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec cname-mx-only.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "CNAME	mx-only.example." dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-existent AAAA via CNAME lookup works, recursive only +norec ($n)"
 ret=0
-$DIG $DIGOPTS +norec cname-non-existent.example. @10.53.0.1 -b 10.53.0.1 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +norec cname-non-existent.example. @10.53.0.1 -b 10.53.0.1 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 # Check the example. domain from non client
 
 echo_i "checking non-excluded AAAA from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS aaaa-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS aaaa-only.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS excluded-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::3" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS excluded-only.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::3" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded AAAA and non-mapped A from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS excluded-bad-a.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS excluded-bad-a.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA and mapped A from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS excluded-good-a.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS excluded-good-a.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking AAAA only from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS aaaa-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS aaaa-only.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A only from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS a-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS a-only.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A and AAAA from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS a-and-aaaa.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS a-and-aaaa.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-mapped A from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS a-not-mapped.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS a-not-mapped.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking NODATA AAAA from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS mx-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS mx-only.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-existent AAAA from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS non-existent.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS non-existent.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-excluded AAAA via CNAME from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA via CNAME from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-excluded-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::3" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-excluded-only.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::3" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded AAAA and non-mapped A via CNAME from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-excluded-bad-a.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-excluded-bad-a.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA and mapped A via CNAME from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-excluded-good-a.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-excluded-good-a.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking AAAA only via CNAME from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-aaaa-only.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A only via CNAME from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-a-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-a-only.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A and AAAA via CNAME from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-a-and-aaaa.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-a-and-aaaa.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-mapped A via CNAME from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-a-not-mapped.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "CNAME	a-not-mapped.example." dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-a-not-mapped.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "CNAME	a-not-mapped.example." dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking NODATA AAAA via CNAME from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-mx-only.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "CNAME	mx-only.example." dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-mx-only.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "CNAME	mx-only.example." dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-existent AAAA via CNAME from non-client lookup works ($n)"
 ret=0
-$DIG $DIGOPTS cname-non-existent.example. @10.53.0.2 -b 10.53.0.3 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-non-existent.example. @10.53.0.2 -b 10.53.0.3 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 # Check the signed. domain
 
 echo_i "checking non-excluded AAAA lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS excluded-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS excluded-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded AAAA and non-mapped A lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS excluded-bad-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS excluded-bad-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA and mapped A lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS excluded-good-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:aaaa::102:304" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS excluded-good-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:aaaa::102:304" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking AAAA only lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A only lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS a-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:aaaa::102:305" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS a-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:aaaa::102:305" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A and AAAA lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS a-and-aaaa.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS a-and-aaaa.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-mapped A lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS a-not-mapped.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS a-not-mapped.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking NODATA AAAA lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS mx-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS mx-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-existent AAAA lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS non-existent.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS non-existent.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-excluded AAAA via CNAME lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS cname-aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA via CNAME lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS cname-excluded-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-excluded-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded AAAA and non-mapped A via CNAME lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS cname-excluded-bad-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-excluded-bad-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA and mapped A via CNAME lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS cname-excluded-good-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:aaaa::102:304" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-excluded-good-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:aaaa::102:304" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking AAAA only via CNAME lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS cname-aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A only via CNAME lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS cname-a-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:aaaa::102:305" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-a-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:aaaa::102:305" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A and AAAA via CNAME lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS cname-a-and-aaaa.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-a-and-aaaa.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-mapped A via CNAME lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS cname-a-not-mapped.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "CNAME	a-not-mapped.signed." dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-a-not-mapped.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "CNAME	a-not-mapped.signed." dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking NODATA AAAA via CNAME lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS cname-mx-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-grep "CNAME	mx-only.signed." dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-mx-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+grep "CNAME	mx-only.signed." dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-existent AAAA via CNAME lookup is signed zone works ($n)"
 ret=0
-$DIG $DIGOPTS cname-non-existent.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 1," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS cname-non-existent.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 1," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 # Check the signed. domain
 echo_i "checking non-excluded AAAA lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec excluded-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::3" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec excluded-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::3" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded AAAA and non-mapped A lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec excluded-bad-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec excluded-bad-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA and mapped A lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec excluded-good-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec excluded-good-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking AAAA only lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A only lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec a-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec a-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A and AAAA lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec a-and-aaaa.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec a-and-aaaa.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-mapped A lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec a-not-mapped.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec a-not-mapped.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking NODATA AAAA lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec mx-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 0" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec mx-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 0" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-existent AAAA lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec non-existent.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec non-existent.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-excluded AAAA via CNAME lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec cname-aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec cname-aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA via CNAME lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec cname-excluded-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::3" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec cname-excluded-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::3" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded AAAA and non-mapped A via CNAME lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec cname-excluded-bad-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec cname-excluded-bad-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking excluded only AAAA and mapped A via CNAME lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec cname-excluded-good-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:eeee::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec cname-excluded-good-a.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:eeee::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking AAAA only via CNAME lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec cname-aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::2" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec cname-aaaa-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::2" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A only via CNAME lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec cname-a-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001:aaaa::102:305" dig.out.ns2.test$n > /dev/null && ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec cname-a-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001:aaaa::102:305" dig.out.ns2.test$n >/dev/null && ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking A and AAAA via CNAME lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec cname-a-and-aaaa.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "2001::1" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec cname-a-and-aaaa.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "2001::1" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-mapped A via CNAME lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec cname-a-not-mapped.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 2" dig.out.ns2.test$n > /dev/null || ret=1
-grep "CNAME	a-not-mapped.signed." dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec cname-a-not-mapped.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 2" dig.out.ns2.test$n >/dev/null || ret=1
+grep "CNAME	a-not-mapped.signed." dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking NODATA AAAA via CNAME lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec cname-mx-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
-grep "CNAME	mx-only.signed." dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec cname-mx-only.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n >/dev/null || ret=1
+grep "CNAME	mx-only.signed." dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking non-existent AAAA via CNAME lookup is signed zone works with +dnssec ($n)"
 ret=0
-$DIG $DIGOPTS +dnssec cname-non-existent.signed. @10.53.0.2 -b 10.53.0.2 aaaa > dig.out.ns2.test$n || ret=1
-grep "status: NXDOMAIN" dig.out.ns2.test$n > /dev/null || ret=1
-grep "ANSWER: 2," dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS +dnssec cname-non-existent.signed. @10.53.0.2 -b 10.53.0.2 aaaa >dig.out.ns2.test$n || ret=1
+grep "status: NXDOMAIN" dig.out.ns2.test$n >/dev/null || ret=1
+grep "ANSWER: 2," dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking reverse mapping ($n)"
 ret=0
-$DIG $DIGOPTS -x 2001:aaaa::10.0.0.1 @10.53.0.2 > dig.out.ns2.test$n || ret=1
-grep -i "CNAME.1.0.0.10.IN-ADDR.ARPA.$" dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
-if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
-
-list=`$DIG $DIGOPTS -b 10.53.0.6 @10.53.0.2 +short aaaa a-only.example | sort`
-for a in $list
-do
-	ret=0
-	echo_i "checking reverse mapping of $a ($n)"
-	$DIG $DIGOPTS -x $a @10.53.0.2 > dig.out.ns2.test$n || ret=1
-	grep -i "CNAME.5.3.2.1.IN-ADDR.ARPA." dig.out.ns2.test$n > /dev/null || ret=1
-	n=`expr $n + 1`
-	if [ $ret != 0 ]; then echo_i "failed"; fi
-	status=`expr $status + $ret`
+$DIG $DIGOPTS -x 2001:aaaa::10.0.0.1 @10.53.0.2 >dig.out.ns2.test$n || ret=1
+grep -i "CNAME.1.0.0.10.IN-ADDR.ARPA.$" dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
+if [ $ret != 0 ]; then echo_i "failed"; fi
+status=$(expr $status + $ret)
+
+list=$($DIG $DIGOPTS -b 10.53.0.6 @10.53.0.2 +short aaaa a-only.example | sort)
+for a in $list; do
+  ret=0
+  echo_i "checking reverse mapping of $a ($n)"
+  $DIG $DIGOPTS -x $a @10.53.0.2 >dig.out.ns2.test$n || ret=1
+  grep -i "CNAME.5.3.2.1.IN-ADDR.ARPA." dig.out.ns2.test$n >/dev/null || ret=1
+  n=$(expr $n + 1)
+  if [ $ret != 0 ]; then echo_i "failed"; fi
+  status=$(expr $status + $ret)
 done
 
-rev=`$ARPANAME 2001:aaaa::10.0.0.1`
+rev=$($ARPANAME 2001:aaaa::10.0.0.1)
 regex='..\(.*.IP6.ARPA\)'
-rev=`expr "${rev}" : "${regex}"`
-fin=`expr "${rev}" : "............${regex}"`
-while test "${rev}" != "${fin}"
-do
-	ret=0
-	echo_i "checking $rev ($n)"
-	$DIG $DIGOPTS $rev ptr @10.53.0.2 > dig.out.ns2.test$n || ret=1
-	grep -i "status: NOERROR" dig.out.ns2.test$n > /dev/null || ret=1
-	grep -i "ANSWER: 0," dig.out.ns2.test$n > /dev/null || ret=1
-	n=`expr $n + 1`
-	if [ $ret != 0 ]; then echo_i "failed"; fi
-	status=`expr $status + $ret`
-	rev=`expr "${rev}" : "${regex}"`
+rev=$(expr "${rev}" : "${regex}")
+fin=$(expr "${rev}" : "............${regex}")
+while test "${rev}" != "${fin}"; do
+  ret=0
+  echo_i "checking $rev ($n)"
+  $DIG $DIGOPTS $rev ptr @10.53.0.2 >dig.out.ns2.test$n || ret=1
+  grep -i "status: NOERROR" dig.out.ns2.test$n >/dev/null || ret=1
+  grep -i "ANSWER: 0," dig.out.ns2.test$n >/dev/null || ret=1
+  n=$(expr $n + 1)
+  if [ $ret != 0 ]; then echo_i "failed"; fi
+  status=$(expr $status + $ret)
+  rev=$(expr "${rev}" : "${regex}")
 done
 
 echo_i "checking dns64-server and dns64-contact ($n)"
 ret=0
-$DIG $DIGOPTS soa 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.a.a.a.a.1.0.0.2.ip6.arpa @10.53.0.2 > dig.out.ns2.test$n || ret=1
-grep "SOA.dns64.example.net..hostmaster.example.net." dig.out.ns2.test$n > /dev/null || ret=1
-n=`expr $n + 1`
+$DIG $DIGOPTS soa 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.a.a.a.a.1.0.0.2.ip6.arpa @10.53.0.2 >dig.out.ns2.test$n || ret=1
+grep "SOA.dns64.example.net..hostmaster.example.net." dig.out.ns2.test$n >/dev/null || ret=1
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking TTL less than 600 from zone ($n)"
 ret=0
 #expect 500
-$DIG $DIGOPTS aaaa ttl-less-than-600.example +rec @10.53.0.1 > dig.out.ns1.test$n || ret=1
+$DIG $DIGOPTS aaaa ttl-less-than-600.example +rec @10.53.0.1 >dig.out.ns1.test$n || ret=1
 grep -i "ttl-less-than-600.example..500.IN.AAAA" dig.out.ns1.test$n >/dev/null || ret=1
-n=`expr $n + 1`
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking TTL more than 600 from zone ($n)"
 ret=0
 #expect 700
-$DIG $DIGOPTS aaaa ttl-more-than-600.example +rec @10.53.0.1 > dig.out.ns1.test$n || ret=1
+$DIG $DIGOPTS aaaa ttl-more-than-600.example +rec @10.53.0.1 >dig.out.ns1.test$n || ret=1
 grep -i "ttl-more-than-600.example..700.IN.AAAA" dig.out.ns1.test$n >/dev/null || ret=1
-n=`expr $n + 1`
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking TTL less than minimum from zone ($n)"
 ret=0
 #expect 1100
-$DIG $DIGOPTS aaaa ttl-less-than-minimum.example +rec @10.53.0.1 > dig.out.ns1.test$n || ret=1
+$DIG $DIGOPTS aaaa ttl-less-than-minimum.example +rec @10.53.0.1 >dig.out.ns1.test$n || ret=1
 grep -i "ttl-less-than-minimum.example..1100.IN.AAAA" dig.out.ns1.test$n >/dev/null || ret=1
-n=`expr $n + 1`
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking TTL limited to minimum from zone ($n)"
 ret=0
 #expect 1200
-$DIG $DIGOPTS aaaa ttl-more-than-minimum.example +rec @10.53.0.1 > dig.out.ns1.test$n || ret=1
+$DIG $DIGOPTS aaaa ttl-more-than-minimum.example +rec @10.53.0.1 >dig.out.ns1.test$n || ret=1
 grep -i "ttl-more-than-minimum.example..1200.IN.AAAA" dig.out.ns1.test$n >/dev/null || ret=1
-n=`expr $n + 1`
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking TTL less than 600 via cache ($n)"
 ret=0
 #expect 500
-$DIG $DIGOPTS aaaa ttl-less-than-600.example +rec -b 10.53.0.2 @10.53.0.2 > dig.out.ns1.test$n || ret=1
+$DIG $DIGOPTS aaaa ttl-less-than-600.example +rec -b 10.53.0.2 @10.53.0.2 >dig.out.ns1.test$n || ret=1
 grep -i "ttl-less-than-600.example..500.IN.AAAA" dig.out.ns1.test$n >/dev/null || ret=1
-n=`expr $n + 1`
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking TTL more than 600 via cache ($n)"
 ret=0
 #expect 700
-$DIG $DIGOPTS aaaa ttl-more-than-600.example +rec -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+$DIG $DIGOPTS aaaa ttl-more-than-600.example +rec -b 10.53.0.2 @10.53.0.2 >dig.out.ns2.test$n || ret=1
 grep -i "ttl-more-than-600.example..700.IN.AAAA" dig.out.ns2.test$n >/dev/null || ret=1
-n=`expr $n + 1`
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking TTL less than minimum via cache ($n)"
 ret=0
 #expect 1100
-$DIG $DIGOPTS aaaa ttl-less-than-minimum.example +rec -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+$DIG $DIGOPTS aaaa ttl-less-than-minimum.example +rec -b 10.53.0.2 @10.53.0.2 >dig.out.ns2.test$n || ret=1
 grep -i "ttl-less-than-minimum.example..1100.IN.AAAA" dig.out.ns2.test$n >/dev/null || ret=1
-n=`expr $n + 1`
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking TTL limited to minimum via cache ($n)"
 ret=0
 #expect 1200
-$DIG $DIGOPTS aaaa ttl-more-than-minimum.example +rec -b 10.53.0.2 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+$DIG $DIGOPTS aaaa ttl-more-than-minimum.example +rec -b 10.53.0.2 @10.53.0.2 >dig.out.ns2.test$n || ret=1
 grep -i "ttl-more-than-minimum.example..1200.IN.AAAA" dig.out.ns2.test$n >/dev/null || ret=1
-n=`expr $n + 1`
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "checking synthesis of AAAA from RPZ-remapped A ($n)"
 ret=0
-$DIG $DIGOPTS aaaa rpz.example +rec -b 10.53.0.7 @10.53.0.2 > dig.out.ns2.test$n || ret=1
+$DIG $DIGOPTS aaaa rpz.example +rec -b 10.53.0.7 @10.53.0.2 >dig.out.ns2.test$n || ret=1
 grep -i 'rpz.example.*IN.AAAA.2001:96::a0a:a0a' dig.out.ns2.test$n >/dev/null || ret=1
-n=`expr $n + 1`
+n=$(expr $n + 1)
 if [ $ret != 0 ]; then echo_i "failed"; fi
-status=`expr $status + $ret`
+status=$(expr $status + $ret)
 
 echo_i "exit status: $status"
 [ $status -eq 0 ] || exit 1