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|
coproc { echo a b c; sleep 2; }
echo $COPROC_PID
echo ${COPROC[@]}
read LINE <&${COPROC[0]}
echo $LINE
wait $COPROC_PID
coproc REFLECT { cat - ; }
echo $REFLECT_PID
echo ${REFLECT[@]}
echo flop >&${REFLECT[1]}
read LINE <&${REFLECT[0]}
echo $LINE
kill $REFLECT_PID
wait $REFLECT_PID
coproc xcase -n -u
echo $COPROC_PID
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
|
