From: Rajinder Yadav <devguy.ca@...>
Date: 2009-10-07T11:43:34+09:00
Subject: Re: Does Ruby have a 'which' like method

Scott G Smith wrote:
> Most UNIX shells have a which command.
> 
> It tells me the file which corresponds to a shell command.
> 
> Demo:
> which date
> /bin/date
> 
> In ruby,
> Suppose I'm dealing with a String.
> 
> This String has had some methods mixed-in.
> 
> For example,
> 
> s = 'hello'
> p(s.length)
> 
> Is there a way I can find the module or string.rb which defined the
> length() method?
> 
> I'd like it to work like this:
> 
> p(s.which('length'))
> /my/rubyfiles/string_module.rb

you should be able to do the same thing using: http://www.railsapi.com

make sure to select 'Rails v2.3.4  or Rails v2.3.4 + Ruby v1.9' before clicking 
on the 'Browse Online' otherwise you will get Rails APIs by default

> 
> Thanks,
> Scott
> 
> 


-- 
Kind Regards,
Rajinder Yadav

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