test.tb

#!/usr/bin/ruby
require 'net/http'
require 'json'
require 'pp'


url = URI.parse('http://taginfo.openstreetmap.org/api/4/key/values?key=shop&sortname=count&sortorder=desc')
req = Net::HTTP::Get.new(url.to_s)
res = Net::HTTP.start(url.host, url.port) {|http|
   http.request(req)
}

data = JSON.parse(res.body)["data"]

all = 0
bad = 0
data.each {|e|
   all += e["count"]
   if e["value"].include?(";")
      bad += e["count"]
   end
}

puts all
puts bad