asumi.rb

require 'bundler'
require 'fileutils'
FileUtils.cd File.expand_path(File.dirname(__FILE__))
Bundler.require
require 'open-uri'

alice = Mechanize.new
page = alice.get "http://lantis-net.com/sasamisan/"

FileUtils.touch 'list' unless File.exist?('list')
list = open('list').read.split("\n")

page.root.xpath("//div[@class='pv_c']//a").select{|x| x.children.first['src'] =~ /r64/}.each{|link|
  url = "http://lantis-net.com/sasamisan/#{link['href']}"
  next if list.index url
  asf = XmlSimple.xml_in(open(url).read)['Entry'].first['REF'].first['HREF']
  system 'mimms', asf
  list << url
}
open('list','w'){|x| x.puts list.sort.join("\n")}

Gemfile

source :rubygems
gem 'mechanize'                                                                                       
gem 'xml-simple', require: 'xmlsimple'