Backup your Google Reader data

greader.rb

#!/usr/bin/env ruby

require 'rubygems'
require 'mechanize'

agent = Mechanize.new

page = agent.get('https://accounts.google.com/ServiceLoginAuth')
form = page.forms.first
form.Email = '<<<Your Google Reader username>>>'
form.Passwd = '<<<Your Google Reader password>>>'
agent.submit form

time = Time.new
today = time.strftime("%Y%m%d")
notes_fname = 'notes-' + today + '.json'
starred_fname = 'starred-' + today + '.json'
subs_fname = 'rss-subscriptions-' + today + '.opml'

agent.get('http://www.google.com/reader/subscriptions/export?hl=en').save_as(subs_fname)
# Those URLs are specific to my account, get yours from Settings -> Import/Export in the web interface
agent.get('http://www.google.com/reader/export/json/user/04785471984543895866/state/com.google/starred?filename=starred-items.json&n=99999&comments=true&full=true&co=false&hl=en').save_as(starred_fname)
agent.get('http://www.google.com/reader/export/json/user/04785471984543895866/state/com.google/created?filename=notes.json&n=99999&comments=true&full=true&co=false&hl=en').save_as(notes_fname)