gistfile1.rb

# Usage: ruby google-oauth-example.rb
require "rubygems"
require "oauth"
require "json"

CONSUMER_KEY = 'anonymous'
CONSUMER_SECRET = 'anonymous'
ACCESS_TOKEN = ''
ACCESS_TOKEN_SECRET = ''  # Get them from Google Playground

consumer = OAuth::Consumer.new(
  CONSUMER_KEY,
  CONSUMER_SECRET,
  :site => "http://gdata.youtube.com"
)

@access_token = OAuth::AccessToken.new(consumer, ACCESS_TOKEN, ACCESS_TOKEN_SECRET)
puts @access_token.get('/feeds/api/users/default').body

# console
require 'irb'
IRB.start