What is the best way to parse a web page in Ruby?

Question

I have been looking at XML and HTML libraries on rubyforge for a simple way to pull data out of a web page. For example if I want to parse a user page on stackoverflow how

Answer 1

it seems to be an old topic but here is a new one. Example getting reputation:

#!/usr/bin/env ruby

require 'rubygems'
require 'hpricot'
require 'open-uri'

user = "619673/100kg"
html = "http://stackoverflow.com/users/%s?tab=reputation"

page = html % user
puts page

doc = Hpricot(open(page))
pars = Array.new
doc.search("div[@class='subheader user-full-tab-header']/h1/span[@class='count']").text.each do |p|
  pars << p
end

puts "reputation " + pars[0]