From: Dark Ambient Date: 2006-08-12T23:32:53+09:00 Subject: Re: IRB and rb files I thought you use the load command ? Stuart On 8/12/06, Michael Guterl wrote: > Hello, > > On 8/12/06, ClassRubyExceptionHandline wrote: > > > > As I make my way through the Pragmatic Programmer's Guide I am puzzled > > by the following issue: > > > > If I type in a Ruby program such as > > > > class Song > > def initialize(name, artist, duration) > > @name = name > > @artist = artist > > @duration = duration > > end > > end > > > > And save it as Song.rb in a directory on my hard drive reserved for > > Ruby code, I wonder how I can use it from irb, if possible. I know > > that I can type in each line of the .rb program within irb and have it > > work when I do song = Song.new("Bicylops", "Fleck", 260) > > But if I attempt to type this in from irb after defining the class in a > > separate .rb file I get > > irb(main):001:0> song = Song.new("Bicylops", "Fleck", 260) > > NameError: uninitialized constant Song > > from (irb):1 > > from :0 > > > > What I would like to know is, how can I use Ruby Programs which are > > already created as source within irb... or is there a better way to run > > ruby programs > > > > > > > You can use require. > > Example: > require 'path/to/song' > > Michael Guterl > >