realtime_rate.rb

# -*- encoding: UTF-8 -*-

require 'time'
require 'twitter'
require 'roma/client'


timeline = Twitter.user_timeline('ntt_rate1').map{|s| [s.id, s.text, Time.parse(s.created_at)]}
rates = timeline.map do |r|
  [
  r[0],
  r[1].scan(/ドル\/円:(.*?)円、ユーロ\/円:(.*?)円、ポンド\/円:(.*?)円、豪ドル\/円:(.*?)円/).flatten.map{|x| x.to_f},
  r[2],
  ]
end

table = Roma::Client::RomaClient.new(['localhost:11212', 'localhost:11212']) 

rates.each do |rate|
  table[rate.first.to_s] = {USD:rate[1][0], EUR:rate[1][1], GBP:rate[1][2], AUD:rate[1][2], date:rate[2]}
end