tests/trap4.sub

   1 # make sure subshells at the end of pipelines run any exit traps they set
   2
   3 : | { trap 'echo exit subshell 1' EXIT; exit; }; echo current shell
   4
   5 : | { trap 'echo exit subshell 2' EXIT; exit; }; echo current shell
   6
   7 : | { trap 'echo exit subshell 3' EXIT; exit; } | : ; echo current shell
   8
   9 : | { trap 'echo exit subshell 4' EXIT; exit; } | : ; echo current shell
  10
  11 trap 'echo inherited exit trap' EXIT
  12 : | { exit; } ; echo outside 1
  13 : | ( exit; ) ; echo outside 2
  14 : | { exit; } | : ; echo outside 3
  15 : | ( exit; ) | : ; echo outside 4
  16
  17 trap - EXIT
  18
  19 # make sure group commands that are not at the beginning or end of pipelines
  20 # run an EXIT trap, with and without the exit builtin
  21 echo ignored |
  22 {
  23     trap 'echo "in trap EXIT">&2' EXIT
  24     sleep 4 &
  25     echo 'sleep 2'>&2
  26     sleep 2
  27     echo 'wait $!'>&2
  28     wait $!
  29     echo 'exit'>&2
  30     exit
  31 } | cat
  32
  33 echo ignored |
  34 {
  35     trap 'echo "in trap EXIT">&2' EXIT
  36     sleep 4 &
  37     echo 'sleep 2'>&2
  38     sleep 2
  39     echo 'wait $!'>&2
  40     wait $!
  41     echo 'exit'>&2
  42 } | cat