multiplexer.rb

class Multiplexer
  instance_methods.each do |m|
    undef_method m unless(m.match(/^__/))
  end

  def initialize(*objects)
    @objects = objects
  end
  
  def method_missing(m, *args)
    @objects.each do |o|
      o.send(m, *args)
    end
  end
end