From: "Andreas S." <x-ruby-lang@...>
Date: 2010-10-07T19:08:32+09:00
Subject: Re: save only first line from string?

Jes炭s Gabriel y Gal叩n wrote:
> str = str.first
> 
> This way you avoid the intermediate array.

String#lines returns an Enumerator, not an Array. I haven't looked at 
its implementation, but it does not necessarily process the whole string 
if you only call #first.
-- 
Posted via http://www.ruby-forum.com/.