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Download NSScreencast videos for offline viewing in a batch
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| # Using this script downloads ALL the videos in NSScreencast. | |
| # Use it wisely, it's extra load/bandwidth for the NSScreencast website. | |
| # Usage: `EMAIL=your email PASSWORD=your password COUNT=how many videos should be downloaded? ruby download-nsscreencast.rb` | |
| require "mechanize" | |
| require "parallel" | |
| mechanize = Mechanize.new | |
| mechanize.post("https://www.nsscreencast.com/user_sessions", {"email" => ENV["EMAIL"], "password" => ENV["PASSWORD"]}) | |
| mechanize.pluggable_parser.default = Mechanize::Download | |
| count = ENV["COUNT"].to_i | |
| Parallel.each((1..count)) do |idx| | |
| begin | |
| video_url = "http://www.nsscreencast.com/episodes/#{idx}.mp4" | |
| puts "Downloading #{video_url}" | |
| video = mechanize.get(video_url) | |
| raw_filename = File.basename(video.uri.path) | |
| episode_number = raw_filename.split("-")[0].gsub("ns", "").gsub("nss", "").to_i | |
| episode_name = raw_filename.split("-").drop(1).map(&:capitalize).join(" ") | |
| video.save("videos/##{episode_number} - #{episode_name}") | |
| puts "Saved #{video_url}" | |
| rescue | |
| puts "Couldn't save #{video_url}" | |
| end | |
| end |
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