From: ts Date: 2003-04-17T22:34:53+09:00 Subject: Re: Need IO Optimization help >>>>> "J" == Jim Freeze writes: J> require 'mmapio' J> MMapIO.new(writefile, "w") { |f| Good luck, for this J> MMapIO.new(readfile).each { |line J> # start rockin' J> f << line J> } J> } J> Has this been written before I start to do it myself? yes, but don't expect that it will be faster ... Guy Decoux