respond_to_command method

gistfile1.rb

  def respond_to_command data
    if data =~ /^([^\s]+):\s(?:[^\s]+):\s([^\s]+):\s(.*)$/
      sender = $1
      command = $3.rstrip

      # directed to me?
      return nil if not $2.split(',').include?(@my_name)
      # if I'm still here, I guess so ;-)

      # lets see if uptime is in the allowed commands array
      return nil unless ['uptime'].include?(command)
      # if I'm still here, I guess so ;-)

      yield(sender, command)
    end
  end