commit https://github.com/vim/vim/commit/1cee693b310e1494115a1677fac064941092e1bb Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jun 9 22:17:22 2016 +0200 patch 7.4.1912 Problem: No test for using setqflist() on an older quickfix list. Solution: Add a couple of tests.

#! /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