#!/usr/local/bin/ruby
# coding: utf-8

require 'net/http'
require 'uri'
require 'json'

=begin
url = "http://weather.livedoor.com/forecast/webservice/json/v1?city=130010"

uri = URI.parse(url)
json = Net::HTTP.get(uri)
result = JSON.parse(json)
puts result

=end



str = "/u5343/" 
str.gsub!(/\\u([0-9a-f]{4})/) {
  [$1.hex].pack("U")
}