Reencode audio of an AVI to MP3

audio_to_mp3.rb

#!/usr/bin/ruby

ARGV.each do |input_f|
  everything_ok = true
 
  # Escapes single quotes
  input_f = input_f.split("'").join("\'\\'\'")
 
  # Extracts the file name without extension
  file_name = input_f.split(".")[0..-2].join(".")  
 
  # Output file
  output_f = file_name + ".mp3.avi"
  puts "\nConverting \'#{input_f}\' into \'#{output_f}\':"

  command = "ffmpeg -i '#{input_f}' -ac 2 -ab 192 -vcodec copy -acodec libmp3lame '#{output_f}'" # -t 20
  puts command
  everything_ok = system command

  if !everything_ok
  puts "There were errors encoding #{input_f}, aborting."
  break
  end

  puts "File succesfully encoded as \'#{output_f}\'" if everything_ok
end