From: Zhao Yi <youhaodeyi@...>
Date: 2009-01-05T14:49:24+09:00
Subject: Re: How can I prevent require duplicate files

Phlip wrote:
require() already prevents multiple includes. load() forces an
> unquestioned input.
> 
> If two modules require the same module...
> 
>    require 'foo'
> 
> ...and if both modules specify the same path to foo (or no path), then 
> the file
> only imports once.
> 
> However, if you require some elaborate path, and if another module 
> requires a
> different path to the same file, Ruby does not care if the file is the 
> same - it
> will load() and execute the same source twice.

If there are some variables defined in a module which is included by 
more than one files, there will be a warning indicating "warning: 
already initialized". If ruby only imports once, why such warning is 
thrown?
-- 
Posted via http://www.ruby-forum.com/.