From: Ezra Zygmuntowicz <ezmobius@...>
Date: 2007-07-03T02:42:31+09:00
Subject: Re: de-camelcase a filename


On Jul 2, 2007, at 9:41 AM, Bill Kelly wrote:

> From: "Roseanne Zhang" <roseanne@javaranch.com>
>> How about this:
>> "FooBarBaz".split(/(?=[A-Z])/).join('_').downcase
>
> Nice... (why didn't I think of that :)


This is the cleanest I've come up with:

class String
   # "FooBar".snake_case #=> "foo_bar"
   def snake_case
     gsub(/\B[A-Z]/, '_\&').downcase
   end
end


Cheers-

-- Ezra Zygmuntowicz 
-- Lead Rails Evangelist
-- ez@engineyard.com
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