# $FreeBSD: head/tools/regression/bin/sh/builtins/exec1.0 213738 2010-10-12 18:20:38Z obrien $ failures= failure() { echo "Error at line $1" >&2 failures=x$failures } ( exec >/dev/null echo bad ) [ $? = 0 ] || failure $LINENO ( exec ${SH} -c 'exit 42' echo bad ) [ $? = 42 ] || failure $LINENO ( exec /var/empty/nosuch echo bad ) 2>/dev/null [ $? = 127 ] || failure $LINENO test -z "$failures"