commit https://github.com/vim/vim/commit/99dbe291f55022bd5166c9c3c7967b8693cd9d1b Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 19 13:07:23 2016 +0100 patch 7.4.1132 Problem: Old style tests for the argument list. Solution: Add more new style tests. (Yegappan Lakshmanan)

#! /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