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# $FreeBSD: head/bin/sh/tests/builtins/trap5.0 217461 2011-01-15 21:09:00Z jilles $
set -e
trap - USR1
initial=$(trap)
trap -- -l USR1
added=$(trap)
[ -n "$added" ]
trap - USR1
second=$(trap)
[ "$initial" = "$second" ]
eval "$added"
added2=$(trap)
added3=$(trap --)
[ "$added" = "$added2" ]
[ "$added2" = "$added3" ]
trap -- - USR1
third=$(trap)
[ "$initial" = "$third" ]
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