Download a list of pluralsight courses

pluralsight-course-dl.rb

#! ruby

require 'optparse'
require 'fileutils'

# Usage: pluralsight-course-dl.rb --input file.txt --output ~/Videos -u username -p password
# file.txt contains a list of urls that youtube-dl can donwload.

Options = {}

OptionParser.new do |opts|
  opts.banner = "Usage: pluralsight-course-dl.rb --input file.txt --output ~/Videos -u username -p password \nyoutube-dl need to be installed"

  opts.on("-i" , "--input FILE", "input file") do |v|
    Options[:input_file] = v
  end


  opts.on("-o" , "--output FOLDER", "output folder") do |v|
    Options[:output_folder] = v
  end


  opts.on("-u" , "--user USERNAME", "username") do |v|
    Options[:user] = v
  end


  opts.on("-p" , "--pass PASSWORD", "password") do |v|
    Options[:pass] = v
  end
end.parse!


def make_dir(url)
  fn = File.join(Options[:output_folder], url.split('/').last).strip!
  FileUtils.mkdir_p(fn)
  puts "make dir: #{fn}"
  fn
end

def download(url, folder)
  cmd = "youtube-dl --continue --username \"#{Options[:user]}\" --password \"#{Options[:pass]}\" --sleep-interval 120 --restrict-filenames -o \"#{folder.strip}/%(id)s-%(title)s.%(ext)s\" #{url}\""
  # puts "#{cmd}"

  system(cmd)
end

def read_from_file file_name
  File
    .readlines(file_name)
    .select{ |l| !l.strip.start_with?("#") && !l.strip.empty?}
end

def main
  download_size = read_from_file(Options[:input_file]).size

  read_from_file(Options[:input_file]).each do |url|
    folder_name = make_dir(url)
    download(url, folder_name)
  end
end

main