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|
: ${TMPDIR:=/tmp}
TMPOUT=${TMPDIR}/coproc-wait-$BASHPID
coproc { echo a b c; sleep 2; }
case $COPROC_PID in
[0-9]*) ;;
*) echo COPROC_PID not integer ;;
esac
echo ${COPROC[@]}
read LINE <&${COPROC[0]}
echo $LINE
wait $COPROC_PID
coproc REFLECT { cat - ; }
case $REFLECT_PID in
[0-9]*) ;;
*) echo REFLECT_PID not integer ;;
esac
echo ${REFLECT[@]}
echo flop >&${REFLECT[1]}
read LINE <&${REFLECT[0]}
echo $LINE
{ sleep 1; kill $REFLECT_PID; } &
wait $REFLECT_PID >$TMPOUT 2>&1 || { status=$? ; echo "coproc.tests: REFLECT: status $status" ; }
[[ $status < 128 || $status == 143 ]] || {
echo "coproc.tests: wait for REFLECT failed" >&2
}
rm -f $TMPOUT
exec 2>&1
coproc xcase -n -u
case $COPROC_PID in
[0-9]*) ;;
*) echo COPROC_PID not integer ;;
esac
echo ${COPROC[@]}
echo foo >&${COPROC[1]}
read <&${COPROC[0]}
echo $REPLY
echo ${COPROC[@]}
cat /etc/passwd | grep root | awk -F: '{print $1;}' | sed 1q
exec 4<&${COPROC[0]}-
exec >&${COPROC[1]}-
echo ${COPROC[@]}
read foo <&4
echo $foo >&2
exit 0
|
