# $FreeBSD: head/bin/sh/tests/builtins/local5.0 293635 2016-01-10 16:31:28Z jilles $ f() { local PATH IFS elem IFS=: for elem in ''$PATH''; do PATH=/var/empty/$elem:$PATH done ls -d / >/dev/null } p1=$(command -v ls) f p2=$(command -v ls) [ "$p1" = "$p2" ]