Monday, November 08, 2010 at 12:00 AM.


on deref (url) {
		<<8/29/09; 8:35:58 AM by DW
			<<If Adjix switches to using a 301 return code, handle it gracefully.
		<<8/25/09; 12:44:12 PM by DW
			<<Ooops, what if we get a URL that isn't from Adjix? Handle it with grace.
		<<8/25/09; 11:06:51 AM by DW
			<<If you know it's an Adjix URL, send it through adjix.deref and we'll tell you what it points to.
	try {
		local (urllist = string.urlsplit (url), headers);
		local (s = tcp.httpClient ("HEAD", server:urllist [2], path:urllist [3], ctFollowRedirects:0, flMessages:false));
		string.httpResultSplit (s, @headers);
		<<scratchpad.headers = headers
		if defined (headers.location) { //8/29/09 by DW
			return (headers.location)}
		else {
			return (headers.["x-adjix-location"])}}
	else {
		return (url)}};
bundle { //test code
	dialog.alert (deref (""))}

This listing is for code that runs in the OPML Editor environment. I created these listings because I wanted the search engines to index it, so that when I want to look up something in my codebase I don't have to use the much slower search functionality in my object database. Dave Winer.