# $FreeBSD: src/tools/regression/bin/sh/parameters/env1.0,v 1.1 2011/06/10 22:42:00 jilles Exp $

export key='must contain this'
unset x
r=$(ENV="\${x?\$key}" ${SH} -i +m 2>&1 >/dev/null <<\EOF
exit 0
EOF
) && case $r in
*"$key"*) true ;;
*) false ;;
esac