From: Eero Saynatkari <ruby-forum-reg@...>
Date: 2006-01-21T07:02:58+09:00
Subject: Re: Basic Inheritance questions {noob alert:- pickaxe ed. 2,

John Maclean wrote:
> Thanks for that speedy reply. I've decided to require the within the
> child. One thing to note is that when I do require the child irb shows
> the following..
> 
> cat fx/ruby/chap3/class_KaraokeSong.rb
> 
> #!/usr/bin/env ruby
> require 'class_Song.rb'
> 
> # test if this class has been loaded correctly
> Object.const_defined?(:Song)
> 
> class KaraokeSong < Song
>   def to_s
>     super + " [#@lyrics]"
>   end
> end
> 
> irb(main):011:0> require 'class_KaraokeSong.rb'
> => false

Getting a 'false' in irb means the file is already
loaded (a LoadError would be raised if the file could
not be found); if you want, you can use

  load 'song.rb'

This will reload the file each time (seldomly necessary).

As a compatibility-note, you could make your filenames
all lowercase_and_underscored. This will thwart any
case sensitivity issues.

E


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