wikianime.rb

# -*- coding: utf-8 -*-
require 'open-uri'
require 'nokogiri'

def get_anime_titles_in(year)
  url = "http://ja.wikipedia.org/wiki/Category:#{year}%E5%B9%B4%E3%81%AE%E3%83%86%E3%83%AC%E3%83%93%E3%82%A2%E3%83%8B%E3%83%A1"

  titles = []
  open(url, 'r:UTF-8') do |body|
    doc = Nokogiri::HTML(body)
    doc.css('#mw-pages .mw-content-ltr li a').each do |elem|
      title = elem.content
      next if title =~ /\A\d+年のテレビアニメ/

      titles << title
    end
  end

  titles.sort
end

if ARGV.size < 1
  puts "Usage: #{$0} from_year [to_year]"
  exit
end

from = ARGV[0]
to = ARGV[1] || from

(from..to).each do |year|
  titles = get_anime_titles_in(year)
  titles.each { |i| puts "#{i},#{year}" }
end