From: Robert Klemme <shortcutter@...>
Date: 2006-09-24T19:45:16+09:00
Subject: Re: Help w/ Codegolf Total Triangles- reading input

John Labovitz <johnl@johnlabovitz.com> wrote:

Additional note: it's probably better to use #scan instead of split because 
then you can make sure to only get the numbers:

a = readlines.map {|line| line.scan(/\d+/).map! {|s| s.to_i}}

Kind regards

    robert