commit https://github.com/vim/vim/commit/bdcd75275002c3b74015bb9bc0a01b13bb6107d4 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Feb 22 20:19:03 2016 +0100 patch 7.4.1388 Problem: Compiler warning. (Cesar Romani) Solution: Initialize variable.

#! /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