Analyse directories of films by quality

stats.rb

Film = Struct.new(:path, :w, :h, :size) do
  def pixels
    w * h
  end
end

films = []

Dir['*'].each do |dir|
  next unless File.directory?(dir)
  Dir.chdir(dir) do
    begin
      size = Dir['**/*'].map { |f| File.size(f) rescue 0 }.inject(&:+)
      biggest = Dir['**/*'].sort_by { |f| File.size(f) rescue 0 }.last
      dimensions = `ffprobe "#{biggest}" 2>&1 | grep Video`[/\b\d{3,4}x\d{3,4}\b/]
      next unless dimensions
      w, h = dimensions.split(/x/).map(&:to_i)
      films << Film.new(dir, w, h, size)
    rescue => e
      $stderr.puts dir
      raise e
    end
  end
end

films.sort_by(&:pixels).reverse.each do |film|
  puts format("%d\t%d\t%d\t%d\t%s", film.w, film.h, film.pixels, film.size, film.path)
end