commit https://github.com/vim/vim/commit/8049253b96838b3584600e5ad229abad37a95b10 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 8 17:08:53 2016 +0100 patch 7.4.1516 Problem: Cannot change file permissions. Solution: Add setfperm().

#! /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