From: John Hammink <john@...>
Date: 2010-10-29T02:33:12+09:00
Subject: Re: undefined method `find' for.:Module

Hi Jesus,

Sorry I didn't see your earlier reply.

Unfortunately this is what I get when I run your code from CMD:
E:\Sounds\Digital>ruby Froop.rb
Froop.rb:15:in `block in <main>': undefined method `size' for 
nil:NilClass (NoMethodError)
        from Froop.rb:8:in `block in match'
        from C:/Ruby192/lib/ruby/1.9.1/find.rb:41:in `block in find'
        from C:/Ruby192/lib/ruby/1.9.1/find.rb:40:in `catch'
        from C:/Ruby192/lib/ruby/1.9.1/find.rb:40:in `find'
        from Froop.rb:8:in `match'
        from Froop.rb:15:in `<main>'

And this is what I get when I import to IRB and run FROOP block 
separately:

E:\Sounds\Digital>irb
irb(main):001:0> require './Froop'
=> true
irb(main):002:0> Froop.match("./") { |p| ext = p[-4...p.size]; ext && 
ext.downcase == "mp3" }
NoMethodError: undefined method `size' for nil:NilClass
        from (irb):2:in `block in irb_binding'
        from E:/Sounds/Digital/Froop.rb:8:in `block in match'
        from C:/Ruby192/lib/ruby/1.9.1/find.rb:41:in `block in find'
        from C:/Ruby192/lib/ruby/1.9.1/find.rb:40:in `catch'
        from C:/Ruby192/lib/ruby/1.9.1/find.rb:40:in `find'
        from E:/Sounds/Digital/Froop.rb:8:in `match'
        from (irb):2
        from C:/Ruby192/bin/irb:12:in `<main>'
irb(main):003:0>

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