From: "Mauricio Fernández" <batsman.geo@...>
Date: 2002-12-12T05:16:53+09:00
Subject: Re: Regular Expression Question

On Thu, Dec 12, 2002 at 04:40:53AM +0900, Jonah wrote:
> What would be the ruby equivalent of the following perl script?  I
> use the idiom often for quick templating tasks.  It finds every
> occurrence of %%WHATEVER%% in $source and replaces it with the results
> of a subroutine call to sub whatever (lowercased) and is passed
> $variable.
> 
> $source=~ s/%%(.*?)%%/lc($1)->($variable)/eg ;
> 

probably not very idiomatic, and EVIL
source.gsub!(/%%([A-Z]*)%%/) { eval "#{$1.downcase} variable" }

(take care of the binding in use)

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