Jason, > > I want to make sure I do what is most efficient when dealing with > > multiple and potentially large files. you can use ruby-prof for profiling of your code. It's available as a gem. Best regards, Axel -- Jetzt kostenlos herunterladen: Internet Explorer 8 und Mozilla Firefox 3 - sicherer, schneller und einfacher! http://portal.gmx.net/de/go/chbrowser