Embed subtitles for all videos in a folder

embed_subs.rb

require 'awesome_print'
folder = "/media/media_nas_drive/Train/Video/Biology/Consumer Neuroscience/"
folder_for_cd = folder.gsub(' ', '\ ')
files = Dir[folder+'*.mp4'].map{|f| f.gsub(folder, '').gsub('.mp4', '')}
files.each_with_index do |f, i|
  ap "!!!!!!!!!"
  ap "#{i+1}/#{files.length}"
  ap "!!!!!!!!!"
  system "cd #{folder_for_cd} && ffmpeg -i \"#{f}.mp4\" -f srt -i \"#{f}.srt\" -c:v copy -c:a copy \
  -c:s mov_text \"new_video/#{f}.mp4\""
end