# $FreeBSD$ failures= failure() { echo "Error at line $1" >&2 failures=x$failures } T=$(mktemp -d ${TMPDIR:-/tmp}/sh-test.XXXXXX) || exit trap 'rm -rf $T' 0 cd $T || exit 3 unset x echo 'x=2' >testscript . ./testscript [ "$x" = 2 ] || failure $LINENO cd / || exit 3 x=1 PATH=$T:$PATH . testscript [ "$x" = 2 ] || failure $LINENO test -z "$failures"