Content-Type enumerator

ct.rb

require 'net/http'
require 'rainbow'

url_list = File.open(ARGV[0], 'r').readlines

if url_list.nil?
  puts "aiee: missing url list".color(:red)
end

url_list.each do |url|
  response = nil
  uri = URL(url)
  Net::HTTP.start(uri.host, url.port) {|http|
    response = http.head('/'+uri.request_uri.chomp)
    printf "/#{uri.request_uri.chomp}: ".color(:white) 
    printf "#{response['content-type']}\n".color(:yellow)
  }

end