Script to download all Scotland Ruby 2011 videos

rubyconfvids.rb

#!/usr/bin/ruby
require 'rubygems'
require 'open-uri'
require 'hpricot'

dependencies = [:wget, :curl]
dependencies.each { |program| !`which #{program.to_s}`.empty? || STDERR.puts( "Requires #{program}") }

index_doc = Hpricot(open("http://confreaks.net/events/scotlandruby2011"))

video_links = (index_doc/".video .title a")

video_links.each do |a| 
  video_link = a.attributes['href']
  
  video_url = "http://confreaks.net#{video_link}"

  video_html = `curl #{video_url}` #this fails with a 500 when using open-uri, not sure why
  video_doc = Hpricot(video_html) 
  
  assets = (video_doc/".assets .asset-box a")
  
  video = assets[0].attributes['href']
  `wget http://confreaks.net#{video}`
end

dependencies = [:wget, :curl]
dependencies.each { |program| !`which #{program.to_s}`.empty? || STDERR.puts( "Requires #{program}") }