commit https://github.com/vim/vim/commit/b3619a90eae2702553ff9494ecc4c9b20c13c224 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jun 4 17:58:52 2016 +0200 patch 7.4.1893 Problem: Cannot easily get the window ID for a buffer. Solution: Add bufwinid().

#! /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