From: Daniel Lucraft <dan@...>
Date: 2007-06-06T20:08:24+09:00
Subject: Re: efficient regex scanning

Trochalakis Christos wrote:
> Hello there,
> 
> The problem with this code is that it stores all the words in an array
> which is not so good in terms of efficiency.
> Is there a better way to do it?
> Something like IO.read(file).each_scan { foo }
> 
> Thanks
> Christos

Does just using a block with scan do what you need?

IO.read(file).scan(/\w+/) { |word| f.print word }

http://www.ruby-doc.org/core/classes/String.html#M000827

best,
Dan

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