patch 8.1.0514: CTRL-W ^ does not work when alternate buffer has no name commit https://github.com/vim/vim/commit/1bbb61948342b5cf6e363629f145c65eb455c388 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Nov 10 16:02:01 2018 +0100 patch 8.1.0514: CTRL-W ^ does not work when alternate buffer has no name Problem: CTRL-W ^ does not work when alternate buffer has no name. Solution: Use another method to split and edit the alternate buffer. (Jason Franklin)

#! /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