Get alexa ranks for a list of urls

alexa.rb

require 'alexa'

key = "…"
secret = "…"

client = Alexa::Client.new(access_key_id: key, secret_access_key: secret)

STDIN.each_line do |l|
  url = l.rstrip
  rank = client.url_info({
    url:            url,
    response_group: 'Rank',
  }).rank
  puts rank
end