Adding upstream version 5.2.37.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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286
tests/builtins.tests
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286
tests/builtins.tests
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# tests for miscellaneous builtins not tested elsewhere
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set +p
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set +o posix
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ulimit -S -c 0 2>/dev/null
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ulimit -c -S -- 1000 2>/dev/null
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ulimit -c 2>/dev/null
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# check that break breaks loops
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for i in a b c; do echo $i; break; echo bad-$i; done
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echo end-1
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for i in a b c; do echo $i; break 1; echo bad-$i; done
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echo end-2
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for i in a b c; do
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for j in x y z; do
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echo $i:$j
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break
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echo bad-$i
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done
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echo end-$i
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done
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echo end-3
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# check that break breaks nested loops
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for i in a b c; do
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for j in x y z; do
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echo $i:$j
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break 2
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echo bad-$i
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done
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echo end-$i
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done
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echo end
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# check that continue continues loops
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for i in a b c; do echo $i; continue; echo bad-$i ; done
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echo end-1
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for i in a b c; do echo $i; continue 1; echo bad-$i; done
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echo end-2
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for i in a b c; do
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for j in x y z; do
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echo $i:$j
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continue
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echo bad-$i-$j
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done
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echo end-$i
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done
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echo end-3
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# check that continue breaks out of nested loops
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for i in a b c; do
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for j in x y z; do
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echo $i:$j
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continue 2
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echo bad-$i-$j
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done
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echo end-$i
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done
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echo end
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# check that `eval' re-evaluates arguments, but `builtin' and `command' do not
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AVAR='$BVAR'
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BVAR=foo
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echo $AVAR
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builtin echo $AVAR
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command echo $AVAR
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eval echo \$AVAR
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eval echo $AVAR
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# test out eval with a temp environment
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AVAR=bar eval echo \$AVAR
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BVAR=xxx eval echo $AVAR
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unset -v AVAR BVAR
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# test umask
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mask=$(umask)
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umask 022
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umask
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umask -S
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umask -S u=rwx,g=rwx,o=rx >/dev/null # 002
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umask
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umask -S
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umask -p
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umask -p -S
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umask 0
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umask -S
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umask ${mask} # restore original mask
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# builtin/command without arguments should do nothing. maybe someday they will
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builtin
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command
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# test enable
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enable -ps
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enable -aps ; enable -nps
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enable -n test
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case "$(type -t test)" in
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builtin) echo oops -- enable -n test failed ;;
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*) echo enable -n test worked ;;
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esac
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enable test
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case "$(type -t test)" in
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builtin) echo enable test worked ;;
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*) echo oops -- enable test failed ;;
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esac
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# test options to exec
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(exec -a specialname ${THIS_SH} -c 'echo $0' )
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(exec -l -a specialname ${THIS_SH} -c 'echo $0' )
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# test `clean' environment. if /bin/sh is bash, and the script version of
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# printenv is run, there will be variables in the environment that bash
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# sets on startup. Also test code that prefixes argv[0] with a dash.
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(export FOO=BAR ; exec -c -l printenv ) | grep FOO
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(FOO=BAR exec -c printenv ) | grep FOO
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(export FOO=BAR ; exec printenv ) | grep FOO
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(FOO=BAR exec printenv ) | grep FOO
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# ok, forget everything about hashed commands
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hash -r
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hash
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# this had better succeed, since command -p guarantees we will find the
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# standard utilities
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command -p hash rm
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# check out source/.
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# sourcing a zero-length-file had better not be an error
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rm -f /tmp/zero-length-file
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cp /dev/null /tmp/zero-length-file
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. /tmp/zero-length-file
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echo $?
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rm /tmp/zero-length-file
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AVAR=AVAR
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. ./source1.sub
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AVAR=foo . ./source1.sub
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. ./source2.sub
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echo $?
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set -- a b c
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. ./source3.sub
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# make sure source with arguments does not change the shell's positional
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# parameters, but that the sourced file sees the arguments as its
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# positional parameters
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echo "$@"
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. ./source3.sub x y z
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echo "$@"
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# but if the sourced script sets the positional parameters explicitly, they
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# should be reflected in the calling shell's positional parameters. this
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# also tests one of the shopt options that controls source using $PATH to
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# find the script
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echo "$@"
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shopt -u sourcepath
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. source4.sub
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echo "$@"
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# this is complicated when the sourced scripts gets its own positional
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# parameters from arguments to `.'
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set -- a b c
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echo "$@"
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. source4.sub x y z
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echo "$@"
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# test out cd and $CDPATH
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${THIS_SH} ./builtins1.sub
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# test behavior of `.' when given a non-existent file argument
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${THIS_SH} ./source5.sub
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# test bugs in sourcing non-regular files, fixed post-bash-3.2
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${THIS_SH} ./source6.sub
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# test bugs with source called from multiline aliases and other contexts
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${THIS_SH} ./source7.sub
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# in posix mode, assignment statements preceding special builtins are
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# reflected in the shell environment. `.' and `eval' need special-case
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# code.
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set -o posix
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echo $AVAR
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AVAR=foo . ./source1.sub
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echo $AVAR
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AVAR=AVAR
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echo $AVAR
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AVAR=foo eval echo \$AVAR
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echo $AVAR
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AVAR=AVAR
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echo $AVAR
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AVAR=foo :
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echo $AVAR
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set +o posix
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# but assignment statements preceding `export' are always reflected in
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# the environment
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foo="" export foo
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declare -p foo
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unset foo
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# assignment statements preceding `declare' should be displayed correctly,
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# but not persist after the command
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FOO='$$' declare -p FOO
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declare -p FOO
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unset FOO
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# except for `declare -x', which should be equivalent to `export'
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FOO='$$' declare -x FOO
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declare -p FOO
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unset FOO
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# test out kill -l. bash versions prior to 2.01 did `kill -l num' wrong
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sigone=$(kill -l | sed -n 's:^ 1) *\([^ ]*\)[ ].*$:\1:p')
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case "$(kill -l 1)" in
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${sigone/SIG/}) echo ok;;
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*) echo oops -- kill -l failure;;
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esac
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# kill -l and trap -l should display exactly the same output
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sigonea=$(trap -l | sed -n 's:^ 1) *\([^ ]*\)[ ].*$:\1:p')
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if [ "$sigone" != "$sigonea" ]; then
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echo oops -- kill -l and trap -l differ
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fi
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# POSIX.2 says that exit statuses > 128 are mapped to signal names by
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# subtracting 128 so you can find out what signal killed a process
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case "$(kill -l $(( 128 + 1)) )" in
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${sigone/SIG/}) echo ok;;
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*) echo oops -- kill -l 129 failure;;
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esac
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# out-of-range signal numbers should report the argument in the error
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# message, not 128 less than the argument
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kill -l 4096
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# kill -l NAME should return the signal number
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kill -l ${sigone/SIG/}
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# test behavior of shopt xpg_echo
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${THIS_SH} ./builtins2.sub
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# test behavior of declare -g
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${THIS_SH} ./builtins3.sub
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# test behavior of using declare to create variables without assigning values
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${THIS_SH} ./builtins4.sub
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# test behavior of set and unset array variables
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${THIS_SH} ./builtins5.sub
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# test behavior of unset builtin with -f and -v options
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${THIS_SH} ./builtins6.sub
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# test behavior of command builtin after changing it to a pseudo-keyword
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${THIS_SH} ./builtins7.sub
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# this must be last -- it is a fatal error
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exit status
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echo after bad exit
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