From: Drew Olson <olsonas@...>
Date: 2008-01-05T01:15:30+09:00
Subject: Re: iterating over array of variables - can't change t hem?

AJS wrote:
> title="Title"
> subtitle="Subtitle"
> body="Body"
> [title,subtitle,body].each {|item| item.downcase!}
> 

You're looking for map, which performs the action on each element and 
creates a new array with the results:

[title,subtitle,body].map{|item| item.downcase}
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