# $FreeBSD$ T=$(mktemp -d "${TMPDIR:-/tmp}/sh-test.XXXXXXXX") || exit trap 'rm -rf "$T"' 0 set -C echo . >"$T/a" && [ -s "$T/a" ] && { ! true >"$T/a"; } 2>/dev/null && [ -s "$T/a" ] && ln -s /dev/null "$T/b" && true >"$T/b"