Having trouble deleting unwanted data from output

require 'rubygems'
require 'scrubyt'

#only the following parts should need editing
baseurl = "http://www.myforum.com/" 
username = "bot"
password = "botpasss"

data = Scrubyt::Extractor.define do
   fetch "#{baseurl}?action=login"
   fill_textfield 'user', username
   fill_textfield 'passwrd', password
   submit
   fetch "#{baseurl}?topic=672"
   link '//div/code'
end

data.to_xml.write($stdout, 1)
puts data