commit https://github.com/vim/vim/commit/5c71994f4ee5f87d4cce990dbc9684c70b1e108b Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 9 23:40:45 2016 +0200 patch 7.4.2015 Problem: When a file gets a name when writing it 'acd' is not effective. (Dan Church) Solution: Invoke DO_AUTOCHDIR after writing the file. (Allen Haim, closes #777, closes #803) Add test_autochdir() to enable 'acd' before "starting" is reset.

#! /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