irc say bot (for OSX)

saybot.rb

#!/usr/bin/env ruby1.9

require 'logger'

require 'rubygems'
require 'net/irc'

class IrcClient < Net::IRC::Client
  def initialize(*args)
    super
  end
  def on_rpl_welcome(m)
    @opts.channels.each do |channel|
      post JOIN, channel
    end
    super(m)
  end
  def on_privmsg(msg)
    if msg[1] =~ /^say (.*)$/
      s = $1
      open('|say -f -', "w") do |f|
        f.puts s
      end
    end
  end
end
logger = Logger.new(STDOUT)
client = IrcClient.new('c.ustream.tv', 6667,
                       {:nick => 'nick', # FIXME
                      :user => 'user', # FIXME
                      :real => 'real',
                      :logger => logger,
                      :channels => %w(#channel) #FIXME
})
client.start