scraping_merb_doc.rb

# This script runs ok with firewatir. 

require 'rubygems'
require 'scrubyt'

Scrubyt.logger = Scrubyt::Logger.new

property_data = Scrubyt::Extractor.define :agent => :firefox do
  fetch 'http://merbivore.com/documentation/current/doc/rdoc/stack/index.html?a=F00000098&name=README'
  doc "//div[@id='rdocContent']"
end

 File.open('output.txt', 'w') do |out|  
   out << property_data.to_xml
 end