What is my external IP address

extip

#!/usr/bin/env ruby

require "net/http"
require "json"

uri = URI('https://duckduckgo.com/?q=what+is+my+ip&format=json&no_html=1')
response = Net::HTTP.get_response(uri)
if response.is_a?(Net::HTTPSuccess)
  parsed_response = JSON.parse(response.body)
  answer = parsed_response["Answer"]
  ip_regexp = %r/\A.*(\b(?:\d{1,3}\.){3}\d{1,3}\b).*\z/
  extract_results = answer.match(ip_regexp)
  if extract_results
    puts extract_results.captures[0]
  else
    raise "Could not find IP in answer \"#{answer}\""
  end
else
  raise "Could not reach DuckDuckGo"
end