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ubixos / bin / sh / tests / expansion / cmdsubst20.0

Charlie Root on 16 Jan 2018 198 bytes BSD Shell

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# $FreeBSD: releng/11.1/bin/sh/tests/expansion/cmdsubst20.0 315168 2017-03-12 18:24:45Z jilles $

set -T
trapped=''
trap "trapped=x$trapped" USR1
[ "x$(kill -USR1 $$)y" = xy ] && [ "$trapped" = x ]