commit https://github.com/vim/vim/commit/8b877ac38e96424a08a8b8eb713ef4b3cf0064be Author: Bram Moolenaar <Bram@vim.org> Date: Mon Mar 28 19:16:20 2016 +0200 patch 7.4.1669 Problem: When writing buffer lines to a pipe Vim may block. Solution: Avoid blocking, write more lines later.

#! /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