From: "ara.t.howard" <ara.t.howard@...>
Date: 2007-11-02T11:38:27+09:00
Subject: Re: Who required that!?


On Nov 1, 2007, at 6:18 PM, Trans wrote:

> Is there any way to ask a file what other file require/load 'd it? I
> imagine this has been asked before but I couldnt seem to find good
> terms to search for it.
>

cfp:~ > cat a.rb
p Kernel.requiree('main')

require 'b'

p Kernel.requiree('main')




BEGIN {
   module Kernel
     h = Hash.new
     define_method(:requiree) do |of|
       h[of]
     end

     r = method :require
     define_method(:require) do |*a|
       r.call *a
       h[a.first] = caller
     end
   end
}


cfp:~ > cat b.rb
require 'main'


cfp:~ > ruby a.rb
nil
["./b.rb:1", "a.rb:20:in `require'", "a.rb:20:in `call'", "a.rb:20:in  
`require'", "a.rb:4"]




a @ http://codeforpeople.com/
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