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|
# no output -- default state
echo ___
trap
# assign some traps
echo ___
trap "a" EXIT INT USR1 USR2
# show them all
echo ___
trap
# show them by command substitution
echo ___
echo $(trap)
# show them by pipe
echo ___
trap | cat
# show them by process substitution
echo ___
cat <(trap)
# clear one
echo ___
trap 0 INT
echo ___
trap
# clear another
echo ___
trap "-" USR1
echo ___
trap
|
