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