tests/coproc.tests

   1 : ${TMPDIR:=/tmp}
   2 TMPOUT=${TMPDIR}/coproc-wait-$BASHPID
   3
   4 coproc { echo a b c; sleep 2; }
   5
   6 case $COPROC_PID in
   7 [0-9]*) ;;
   8 *)      echo COPROC_PID not integer ;;
   9 esac
  10
  11 echo ${COPROC[@]}
  12
  13 read LINE <&${COPROC[0]}
  14 echo $LINE
  15
  16 wait $COPROC_PID
  17
  18 coproc REFLECT { cat - ; }
  19
  20 case $REFLECT_PID in
  21 [0-9]*) ;;
  22 *)      echo REFLECT_PID not integer ;;
  23 esac
  24
  25 echo ${REFLECT[@]}
  26
  27 echo flop >&${REFLECT[1]}
  28 read LINE <&${REFLECT[0]}
  29
  30 echo $LINE
  31
  32 { sleep 1; kill $REFLECT_PID; } &
  33 wait $REFLECT_PID >$TMPOUT 2>&1 || echo "coproc.tests: REFLECT: status $?"
  34 grep 'Terminated.*coproc.*REFLECT' < $TMPOUT >/dev/null 2>&1 || {
  35         echo "coproc.tests: wait for REFLECT failed" >&2
  36 }
  37 rm -f $TMPOUT
  38 exec 2>&1
  39
  40 coproc xcase -n -u
  41
  42 case $COPROC_PID in
  43 [0-9]*) ;;
  44 *)      echo COPROC_PID not integer ;;
  45 esac
  46
  47 echo ${COPROC[@]}
  48
  49 echo foo >&${COPROC[1]}
  50 read <&${COPROC[0]}
  51
  52 echo $REPLY
  53 echo ${COPROC[@]}
  54
  55 cat /etc/passwd | grep root | awk -F: '{print $1;}' | sed 1q
  56
  57 exec 4<&${COPROC[0]}-
  58 exec >&${COPROC[1]}-
  59
  60 echo ${COPROC[@]}
  61
  62 read foo <&4
  63 echo $foo >&2
  64
  65 exit 0