gistfile1.rbx

#!/usr/bin/env ruby

require "rubygems"
require "xmpp4r"

user = "user@gmail.com"
pass = "password_goes_here"

jid    = Jabber::JID.new(user)
client = Jabber::Client.new(jid)
client.connect
client.auth(pass)

mel  = Jabber::JID.new("mel@seomoz.org")

sent = []

mainthread = Thread.current

client.send(Jabber::Presence.new.set_status("Ruby Robot logged on @ #{Time.now.utc}"))

msg = Jabber::Message.new(mel, "SEND ME MESSAGES!")
client.send(msg)

client.add_message_callback do |m|
  if m.type != :error
    if !sent.include?(m.from)
      msg = Jabber::Message.new(m.from, "I am a robot. ")
      msg.type = :chat
      client.send(msg)
      sent << m.from
    end

    case m.body
    when 'exit'
      msg      = Jabber::Message.new(m.from, "Exiting")
      msg.type = :chat
      client.send(msg)
      mainthread.wakeup

    else
      puts "Received: " + m.body
      output = `/usr/bin/env #{m.body}`
      #msg      = Jabber::Message.new(m.from, "You said: #{m.body}")
      msg      = Jabber::Message.new(m.from, output)
      msg.type = :chat
      client.send(msg)

    end
  else
    puts [m.type.to_s, m.body].join(": ")
  end
end


Thread.stop
client.close