(string= "http://itmanagement.earthweb.com/entdev/article.php/3761921/The+Anti-Java+Professor+and+the+Jobless+Programmers.htm" "http://itmanagement.

(string= "http://itmanagement.earthweb.com/entdev/article.php/3761921/The+Anti-Java+Professor+and+the+Jobless+Programmers.htm" "http://itmanagement.earthweb.com/entdev/print.php/3761921") => nil I'm really thinking "community-based" dupe detection would be beneficial. If someone matches dupes together and 20 people agree it's probably safe to give preference to one or merge them automatically. edit: Oops, this was meant to be a reply to michaelneale.