From: Brian Candler <b.candler@...>
Date: 2010-08-26T22:57:49+09:00
Subject: Re: warning: method redefined

Iain Barnett wrote:
> It turns out one of the other files in the library also had require 
> 'file/fo'o etc, so some files were required twice. What I don't 
> understand is why this would generate warnings, as my understanding is 
> that require can be called as multiple times but will only load the 
> files once. Is this incorrect?

It can happen if you require them in different ways, e.g.

require 'file/fo'
require './file/fo'
require '../lib/file/fo'
require File.join(File.dirname(__FILE__), 'fo')

If that's what's happening, the solution is to be consistent with your 
require statements, and if necessary set up $: (aka $LOAD_PATH) suitably 
at the start of your program.
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