From: Matt Harrison <iwasinnamuknow@...>
Date: 2008-12-30T08:10:44+09:00
Subject: Re: Newbie Problem

sehlat@berkeley.edu wrote:
> I'm trying to teach myself Ruby(and then rails) using Pragmatic's
> "Programming Ruby" for the language part.  I get the following error
> under NetBeans:
> 
> C:/Program Files/NetBeans
> 6.5/ruby2/jruby-1.1.4/lib/ruby/site_ruby/1.8/builtin/core_ext/symbol.rb:1:in
> `const_missing': uninitialized constant Song (NameError)
>         from C:\Projects\RubyLearning\RubyApplication1\lib\main.rb:4
> 
> when I try to run a two-file project built from the first example in
> Chapter 3:
> 
> song.rb:
> # Sample code from Programing Ruby, page 23
> class Song
>   def initialize(name, artist, duration)
>     @name     = name
>     @artist   = artist
>     @duration = duration
>   end
> end
> 
> main.rb:
> a_song = Song.new("Pie Jesu", "Sarah Brightman", "234")
> song.inspect 

Have you require'd song.rb in you main.rb file?

It should look something like:


require 'song'

a_song = Song.new("Pie Jesu", "Sarah Brightman", "234")
song.inspect


HTH

Matt