1# $FreeBSD: src/tools/regression/bin/sh/execution/set-x1.0,v 1.1 2011/06/08 21:58:19 jilles Exp $
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