require the file containing the module, and then it would work (again, require is expecting a name in the load path).


module Dice

  # virtual roll of a pair of dice
  def roll
    r_1 = rand(6); r_2 = rand(6)
    r1 = r_1>0?r_1:1; r2 = r_2>0?r_2:6
    total = r1+r2
    printf( "You rolled %d and %d (%d).\n", r1, r2, total )
    total
  end

end

File: game.rb

#!/usr/bin/env ruby

require 'dice'

class Game
 include Dice
end

g = Game.new
g.roll

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require the file containing the module, and then it would work (again, require is expecting a name in the load path). : Modules Creation « Language Basics « Ruby

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