43 lines
1,015 B
Text
43 lines
1,015 B
Text
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# make sure subshells at the end of pipelines run any exit traps they set
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: | { trap 'echo exit subshell 1' EXIT; exit; }; echo current shell
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: | { trap 'echo exit subshell 2' EXIT; exit; }; echo current shell
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: | { trap 'echo exit subshell 3' EXIT; exit; } | : ; echo current shell
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: | { trap 'echo exit subshell 4' EXIT; exit; } | : ; echo current shell
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trap 'echo inherited exit trap' EXIT
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: | { exit; } ; echo outside 1
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: | ( exit; ) ; echo outside 2
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: | { exit; } | : ; echo outside 3
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: | ( exit; ) | : ; echo outside 4
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trap - EXIT
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# make sure group commands that are not at the beginning or end of pipelines
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# run an EXIT trap, with and without the exit builtin
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echo ignored |
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{
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trap 'echo "in trap EXIT">&2' EXIT
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sleep 4 &
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echo 'sleep 2'>&2
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sleep 2
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echo 'wait $!'>&2
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wait $!
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echo 'exit'>&2
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exit
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} | cat
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echo ignored |
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{
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trap 'echo "in trap EXIT">&2' EXIT
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sleep 4 &
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echo 'sleep 2'>&2
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sleep 2
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echo 'wait $!'>&2
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wait $!
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echo 'exit'>&2
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} | cat
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