Uses InstantWatcher to find possible instant movies

instant_watcher.rb

require 'rubygems'
require 'open-uri'
require 'pp'
require 'nokogiri'

PAGE_URL        = "http://www.reddit.com/r/AskReddit/comments/lf38m/what_is_the_funniest_movie_you_have_ever_seen/"
INSTANT_WATCHER = "http://instantwatcher.com/titles?q=QUERY&search_episodes=0"

page_text = Nokogiri::HTML(open(PAGE_URL))

page_text.css('div.usertext-body').each do |content|
  comments = content.content.split("\n")

  comments.each do |comment|
    movie = nil
    begin
      movie = comment.split("\n").first.gsub(/[^a-zA-Z0-9 ]/, '').gsub(' ', '+')
    rescue
    end

    if movie && movie.split(' ').length < 6
      result = open(INSTANT_WATCHER.gsub('QUERY', movie)).read

      puts "Instant: #{movie}" if !result.include? "No results."
      sleep 0.5
    end
  end
end