commit https://github.com/vim/vim/commit/5ad075c0735d3d8b97708d17c22de8facb15f997 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 24 15:18:32 2015 +0100 patch 7.4.937 Problem: Segfault reading unitialized memory. Solution: Do not read match \z0, it does not exist. (Marius Gedminas, closes https://github.com/vim/vim/issues/497)

#! /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