commit https://github.com/vim/vim/commit/4649ded2877508fe343cbcf6f7e7fd277be0aab3 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 3 14:55:55 2015 +0100 patch 7.4.950 Problem: v:errors is not initialized. Solution: Initialze it to an empty list. (Thinca)

#! /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