require 'net/http'

URL = 'http://lookup1.paradigmone.com.au'

#
# Lookup supplied mobile number
#
def lookup(service_number)
  url = "#{URL}/?serviceNumber=#{service_number}"
  response = Net::HTTP.get_response(URI.parse(url))
  if response.code == '200'
    return response.body;
  end
  # ... you would also need to handle errors here
  # 404 = Number not found
  # 400 = Invalid request
  # Timeout / no response then switch to other URL
end


puts "The CAC is #{lookup(ARGV[0])}"