kanetann

require 'mechanize'
require 'zip/zip'

agent = Mechanize.new
page = agent.get('http://mh.websimu.mydns.jp/4g_csv/')

filename = page.links[0].uri.to_s
puts "saved #{filename}"
File.write(filename, page.links[0].click.body)

kanetann

keywords = %W(
  肉
  魚
  穀物
  野菜
  乳製品
  酒
)
double = keywords.repeated_combination(2)
puts double.collect {|arr| arr.join("+") }.join("\n")