46 lines
584 B
Text
46 lines
584 B
Text
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coproc { echo a b c; sleep 2; }
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echo $COPROC_PID
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echo ${COPROC[@]}
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read LINE <&${COPROC[0]}
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echo $LINE
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wait $COPROC_PID
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coproc REFLECT { cat - ; }
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echo $REFLECT_PID
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echo ${REFLECT[@]}
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echo flop >&${REFLECT[1]}
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read LINE <&${REFLECT[0]}
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echo $LINE
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kill $REFLECT_PID
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wait $REFLECT_PID
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coproc xcase -n -u
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echo $COPROC_PID
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echo ${COPROC[@]}
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echo foo >&${COPROC[1]}
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read <&${COPROC[0]}
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echo $REPLY
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echo ${COPROC[@]}
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cat /etc/passwd | grep root | awk -F: '{print $1;}' | sed 1q
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exec 4<&${COPROC[0]}-
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exec >&${COPROC[1]}-
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echo ${COPROC[@]}
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read foo <&4
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echo $foo >&2
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exit 0
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