delicious_bulk_import.rb

require "rubygems"
require "json"
require "httparty"

module Delicious
  include HTTParty

  base_uri "https://api.del.icio.us/v1"
  basic_auth ARGV[0],ARGV[1]

  def self.add_post(it)
    post("/posts/add", :query => it)
  end
end

JSON.parse(IO.read(ARGV[2])).each do |post|
  puts "Importing #{post["description"].inspect}"
  Delicious.add_post(post)
  sleep 1
end