data = `uptime`.split[7]
if (data.to_f >= value.to_f) 
  reply = Jabber::Protocol::Message.new(nil)
  reply.to = msg.from
  reply.thread = msg.thread
  reply.type = msg.type
  reply.set_body(`uptime`)
  reply.set_subject("Your uptime request")
  session.connection.send(reply)
end

Example 2: Jabber and Ruby. If load exceeds the threshold, Jabber messages are generated.