%table.table.table-striped
  %thead
    %tr
      %th
        Format
      %th
        Dateigröße

  %tbody
    - ['mp4', 'mov'].each do |file_extension|
      - filename = "screencasts/de/#{screencast_name}/#{screencast_name}.#{file_extension}"
      - if File.exists?("#{Rails.root}/public/#{image_path(filename)}")
        %tr
          %td
            %a{:href => image_path(filename)}
              %i{:class => 'icon-download'}
              =file_extension.upcase
          %td
            = number_to_human_size(File.size("#{Rails.root}/public/#{image_path(filename)}"), :precision => 3)