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Resourcen:

• Episode 190: Screen Scraping with Nokogiri
• Mechanize

Quellcode:

sudo gem install mechanize

# script/console
puts Readline::HISTORY.entries.split("exit").last[0..-2].join("\n")

# lib/tasks/product_prices.rake
desc "Import wish list"
task :import_list => :environment do
  require 'mechanize'
  agent = WWW::Mechanize.new

  agent.get("http://railscasts.tadalist.com/session/new")
  form = agent.page.forms.first
  form.password = "secret"
  form.submit

  agent.page.link_with(:text => "Wish List").click
  agent.page.search(".edit_item").each do |item|
    Product.create!(:name => item.text.strip)
  end
end