appleblogtv.rb

require 'rubygems'
require 'hpricot'
require 'open-uri'

unless ARGV[0] and ARGV[1]
  puts "Usage: ruby appleblogtv.rb url number_of_winners"
  exit
end

commentators = []
doc = Hpricot(open(ARGV[0]))

(doc/'div#commentlist//div.content/b').each do |commentator|
  commentators << ((commentator/'a').first || commentator).inner_html.gsub(/:$/, '')
end

commentators = commentators.uniq

ARGV[1].to_i.times do |i|
  puts commentators.delete_at(rand(commentators.size))
end