From: sto.mar@... Date: 2012-11-16T23:47:59+09:00 Subject: Re: Efficient way for comparing records between 2 large files (16 million records) Am 16.11.2012 14:35, schrieb Ruby Student: > Robert, > > You stated: "IIRC I even posted a solution outline." > I went to your blog (http://blog.rubybestpractices.com/) but could not > find the item you mentioned. Would you mind to post the link to it? I assume he meant he posted a solution on this very list when you(!) asked the same question in October. Search the ruby-talk archives for "Looking for suggestions processing and comparing 2 very large files". As far as I remember there were several useful suggestions. --