gistfile1.txt

# sudo gem install rack nokogiri mongrel --no-rdoc --no-ri
# curl http://gist.github.com/raw/258378/31dc0cc39faf8328cc6b5b5e2fa2a973153f174d/gistfile1.txt > hello_world.rb
# ruby hello_world.rb

require 'rubygems'
require 'rack'
require 'nokogiri'
require 'open-uri'

class HelloWorld
  def call(env)
    lines = Nokogiri::HTML(open('http://stannard.net.au/blog/index.cfm/2009/11/3/Hello-World-with-ColdFusion-and-Spring')).css('div.code').to_s.count("\n")
    [ 200, { "Content-type" => "text/plain" }, "How can it take #{lines} lines to say Hello?" ]
  end
end

Rack::Handler::Mongrel.run HelloWorld.new, :Port => 8000