Fetch your posterous theme. my first rb script.

posterous-theme.rb

#!/usr/bin/env ruby
# script that goes and fetches your posterous.com theme file.
require 'net/http'
require 'uri'

require 'rubygems'
require 'json'

# config.rb should contain all the global vars found in this script.
require 'config.rb'
# puts URI.escape($posterous_auth_email)
theme_url = "http://posterous.com/api/2/users/#{$posterous_user_id}/sites/#{$posterous_site_id}/theme?api_token=#{$posterous_api_token}"
# puts theme_url
url = URI.parse(theme_url)
req = Net::HTTP::Get.new(url.path + '?'+ url.query)
req.basic_auth $posterous_auth_email, $posterous_auth_pw
res = Net::HTTP.start(url.host, url.port) {|http|
  http.request(req)
}
result = res.body

parser = JSON.parse(result)
#JSON.Parser.new(result)

parser.each do |key, value|  
  begin
    puts 'writing...'
    handle = File.open('index.html', 'w') if key == 'raw_theme'    
    handle.write(value)

  rescue Exception => e
    puts 'error: '
    puts e

  end if key == 'raw_theme'
end