Выводит список задач с файлика приложения Things

things.rb

require 'rubygems'
require 'nokogiri'

@doc = Nokogiri::XML(File.open("Database.xml"))
nodes = @doc.xpath("//object[@type='TODO']")
projects = {"0" => {"todos" => [], "title" => 'NEXT'}}
nodes.each do |node|
  todo = {}
  node.children.each do |attr|
    if attr["name"] == 'parent' && !attr["idrefs"].nil?
      todo["parent"] = attr["idrefs"]
    else
      todo[attr["name"]] = attr.text
    end
  end
  if (todo["focuslevel"].to_i == 1 or todo["focuslevel"].to_i == 2) && todo["status"].to_i # Проект или область действия
    projects[node["id"]] ||= {}
    projects[node["id"]].merge!(todo)
    projects[node["id"]]["todos"] ||= []
  end
  if todo["focuslevel"].to_i == 0 && todo["status"].to_i == 0 # Задача
    unless todo.include?("parent") || !todo["parent"].empty?
      todo["parent"] = "0"
    end
    unless projects.include?(todo["parent"])
      projects[todo["parent"]] = {"todos" => []}
    end
    projects[todo["parent"]]["todos"] << todo 
  end
end
projects.each do |id, attr|
  unless attr["todos"].empty?
    puts '===================================================================================================================='
    puts attr["title"]
    puts '--------------------------------------------------------------------------------------------------------------------'
    attr["todos"].each do |attr|
      hrefs = attr["content"].scan /http:\/\/[a-zA-Z0-9\/\._-]*/ if attr["content"]
      puts "- #{attr["title"]}"
      hrefs.each do |href|
        puts "  => #{href}"
      end unless hrefs.nil? || hrefs.empty?
    end
  end
end