From: Robert Klemme <shortcutter@...>
Date: 2012-10-24T17:25:34+09:00
Subject: Re: Looking for suggestions processing and comparing 2 very large files

On Wed, Oct 24, 2012 at 9:50 AM, Robert Klemme
<shortcutter@googlemail.com> wrote:
> On Mon, Oct 22, 2012 at 10:05 PM, Marc Weber <marco-oweber@gmx.de> wrote:
>> If they are sorted you can split into pieces, eg create an
>> a,b,c file and compare a(old) with a(new) and b(old) with b(new) only.
>
> One could as well read records from both files at the same time and
> output diffs while doing that.  If the data is line based, there are
> tools already for comparing two sorted files:
>
> $ comm --help

PS: You can use this scheme if you want to implement this yourself
https://gist.github.com/3944819

-- 
remember.guy do |as, often| as.you_can - without end
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