From: Qnmt Mndy Date: 2010-05-04T17:23:13+09:00 Subject: Re: key search in files thanks for your reply and advices robert. the problem was really about postprocessing the result of File.readlines and your idea about switching the loop order significantly improved the performance. about doing the same thing with GNU commands, i wrote this for windows environment and not sure if it has such a command utility cem -- Posted via http://www.ruby-forum.com/.