41.4. Nokogiri

41.4. Nokogiri
	Kapitola 41. Knihovny neuvedené jinde

Odkazy:

$ gem install nokogiri
Building native extensions.  This could take a while...
Successfully installed nokogiri-1.4.2
1 gem installed
Installing ri documentation for nokogiri-1.4.2...
Installing RDoc documentation for nokogiri-1.4.2...

#!/usr/bin/env ruby
require 'rubygems'
require 'nokogiri'
require 'open-uri'

url = "http://www.hnilica.cz/radek/book/ruby/index.html"
url = "http://www.walmart.com/search/search-ng.do?search_constraint=0&ic=48_0&search_query=arduino&Find.x=0&Find.y=0&Find=Find"

doc = Nokogiri::HTML(open(url))
puts doc.at_css("title").text

doc.css(".item").each do |item|
  title = item.at_css(".prodLink").text
  price = item.at_css(".PriceCompare .BodyS, .PriceXLBold").text[/\$[0-9\.]+/]
  puts "#{title} - #{price}"
  puts item.at_css(".prodLink")[:href]
end


41.3. Priority queue		Část V. Programování Webových aplikací