Pulls stuff down from a page.

xpath.rb

#!/usr/bin/env ruby
require "rubygems"

# require your gems as usual
require "nokogiri"
require 'open-uri'

doc = Nokogiri::HTML.parse open('http://cs.ecs.baylor.edu/~mia/courses/3303_201103/csi3303Review1/csi3303review1.html')
#this works to here


####
# Search for nodes by xpath
divs = doc.xpath("//div")

regex = />\s*([0-9]+)\)&nbsp;\s*<\/TD>/ix

questions = divs.map do |record|
  content = record.content
  if (regex =~ content) && (ARGV.include? $1)
    record
  end
end

puts (ARGV.sort.zip questions)