fyre.rb

class Fyre
  def initialize(klass)
    @klass = klass
  end

  def call(method, *args)
    method = method.to_sym
    if method == :help
      help
    else
      instance = @klass.new
      puts instance.send(method, *args)
    end
  end

  def help
    puts "Usage: #{$0} <command>"
    puts ""
    puts "Commands:"
    methods.each { |m| puts "  #{m}" }
    end
  end

  def methods
    @klass.instance_methods - Object.instance_methods
  end

  def self.fyre(klass)
    fi = Fyre.new(klass)
    fi.call(*ARGV)
  end
end