1# $FreeBSD: head/tools/regression/bin/sh/execution/set-x1.0 222882 2011-06-08 21:58:19Z jilles $
2
3key='must_contain_this'
4{ r=`set -x; { : "$key"; } 2>&1 >/dev/null`; } 2>/dev/null
5case $r in
6*"$key"*) true ;;
7*) false ;;
8esac
9