commit https://github.com/vim/vim/commit/baec5c1768098f9dd867b465aaabfdfb294f10c2 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Apr 6 23:06:23 2016 +0200 patch 7.4.1716 Problem: 'autochdir' doesn't work for the first file. (Rob Hoelz) Solution: Call DO_AUTOCHDIR after startup. (Christian Brabandt, closes https://github.com/vim/vim/issues/704)

#! /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