Get all images from a URL

gistfile1.rb

require 'rubygems'
require 'hpricot'
require 'net/http'
require 'open-uri'

site = "http://www.globo.com"
html = Hpricot.XML(open(site))
images = html.search("//img").each do |img|
  img_addr = img.get_attribute("src")
  img_addr = site + img_addr if img_addr.slice(0..0) == "/"
  puts `wget -q #{img_addr}`
end