顔文字の取得

ここから取得 http://kaomojiya.com/

#!/usr/bin/env ruby
require 'rubygems'
require 'nokogiri'
require 'open-uri'
$KCODE = 'u'

if ARGV.size < 1
  STDERR.puts 'require : output filename'
  STDERR.puts 'e.g.  ruby get-kaomoji.rb out.txt'
  exit 1
end

begin
  out = open(ARGV.first, 'w+')
rescue
  STDERR.puts "can't open output file"
  exit 1
end

doc = Nokogiri::HTML open('http://kaomojiya.com/')
p urls = doc.xpath('//a').map{|a|
  a['href']
}.delete_if{|url|
  !(url =~ /^kao\/\?/)
}.map{|url|
  'http://kaomojiya.com/'+url
}

for url in urls do
  sleep 5
  begin
    doc = Nokogiri::HTML open(url)
    doc.xpath('//div[@id="main"]//td').each{|td|
      puts td.text
      out.puts td.text
    }
  rescue Timeout::Error => e
    STDERR.puts e
  rescue => e
    STDERR.puts e
  end
end

out.close

取得したデータを使う
http://github.com/shokai/glitchtweet/blob/master/plugins/face.rb