Access goo.gl from Ruby

googl.rb

# Test of Goo.gl Ruby gem. Install via:
#
#     $ gem install googl
#
# See
# http://code.google.com/apis/urlshortener/v1/getting_started.html#shorten
# for Goo.gl API info.

require 'rubygems'
require 'googl'

USE_AUTH = false
AUTH_USER = 'some.user@gmail.com'
AUTH_PASSWORD = 'user_password'

ARGV.each do |url|

  # Also supports client login authentication
  if USE_AUTH
    client = Googl.client(AUTH_USER, AUTH_PASSWORD)
    shortened = client.shorten(url)
  else
    shortened = Googl.shorten url
  end

  puts("#{url} -> #{shortened.short_url}")
end