gdata-contacts.rb

require 'gdata';
require 'pit'
require 'rexml/xpath'

config = Pit.get("www.google.com", :require => {
	"username" => "you email in google",
	"password" => "your password in google"
})

gc = GData::Client::Contacts.new
gc.clientlogin(config['username'], config['password'])
xml = gc.get("http://www.google.com/m8/feeds/contacts/#{config['username']}/base").to_xml
addrs = []
REXML::XPath.each(xml, '//entry') { |x|
	addrs.push( \
	   "#{REXML::XPath.first(x, 'title').text} " \
	   "<#{REXML::XPath.first(x, 'gd:email').attributes['address']}>" \
	  )
}
puts addrs.join(', ')