#!/usr/local/bin/ruby
require 'rubygems'
require 'hpricot'
require 'open-uri'
require 'twitter'
 
url = "http://apress.com/info/dailydeal"
max_book_title_length = 140 - url.length - 8
if book = Hpricot(open(url)).at('.bookdetails h3 a').inner_html
  httpauth = Twitter::HTTPAuth.new('apressdotd', 'too_many_secrets')
  base = Twitter::Base.new(httpauth)
  base.update("#{book.slice(0..max_book_title_length)} #{url}")
end