redirects from www. to old.
// ==UserScript==
// @name Reddit old. redirect
// @namespace https://kmcgurty.com
// @version 1
// @description redirects from www. to old.
// @author You
// @match *://*.reddit.com/*
// @grant none
// @run-at document-start
// ==/UserScript==
var loc = window.location.toString();
if(!loc.includes("old.")){
console.log(loc.split("."));
var split = loc.split(".");
split[0] = "https://old";
var joined = split.join(".");
window.stop();
window.location.replace(joined);
}