commit https://github.com/vim/vim/commit/7b256fe7445b46929f660ea74e9090418f857696 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Sep 15 19:05:59 2015 +0200 patch 7.4.871 Problem: Vim leaks memory, when 'wildignore' filters out all matches. Solution: Free the files array when it becomes empty.

#! /bin/sh
#
# which.sh -- find where an executable is located.  It's here because the
# "which" command is not supported everywhere.  Used by Makefile.

IFS=":"
for ac_dir in $PATH; do
	if test -f "$ac_dir/$1"; then
		echo "$ac_dir/$1"
		break
	fi
done