Kód:
#!/bin/bash
#
# Fred's m4a audio files to mp3 converter

for i in *.m4a ; do
faad -w "$i" | lame -h -b 224 - "$(basename "$i" .m4a).mp3"
done
sezen si nejaky linux, a na nem ti to pujde. nejaky multimedia live-cd by mohlo mit potrebne (faad a lame) uz v sobe, a mas to bez instalovani.