GeoIP in Sinatra

sinatra-geoip-demo.rb

require 'sinatra'
require 'geoip'
geo = GeoIP.new('GeoLiteCity.dat')

get '/' do
  begin
    x = geo.country request.ip
    puts x.inspect
    unless x[:postal_code].empty?
      "ZIP for #{request.ip}: #{x[:postal_code]}"
    else
      "GeoIP doesn't have any info on your IP, #{request.ip} ...sorry."
    end
  rescue
    "GeoIP doesn't know where #{request.ip} is."
  end
end

get '/:location' do
  begin
    x = geo.country params[:location]
    puts x.inspect
    unless x[:postal_code].empty?
      "Here ya go: #{x[:postal_code]}"
    else
      "GeoIP doesn't have any info on #{params[:location]}, sorry."
    end
  rescue
    "Your request wasn't something that GeoIP could look up.  Try an IP!"
  end
end