still a little old, but the update and full thread about the script is here:
http://forum.swiftirc.net/viewtopic.php?f=34&t=4749
having never used it, i can only vouch for its reliability insofar as i know Chessnut to be a very talented scripter. however, i would agree that its important to gain some familiarity with the overall procedure for data retrieval with mIRC's sockets before attempting to use that.