Exemplo para criar playlist M3U:
Todos os arquivos digitam * .mp3, * .wav e * .wma
$ find . \( -name \*.mp3 -o -name \*.wav -o -name \*.wma \) \ > playlist.m3u
Todos os arquivos digitam * .WAV, * .Mp3, etc (sem distinção entre maiúsculas e minúsculas)
$ find . -iregex '.*\.\(mp3\|wav\|wma\)' > playlist.m3u
Sem pesquisa recursiva no diretório
printf %s\n *.mp3 > playlist.m3u
E finalmente:
How to use the import/export playlist function? After the playlist is built in the DX50, press the thumbnail icon in front of the playlist to unfold the options. Press "export playlist", then one can find a M3U playlist under the M3U folder under the internal flash.
To import a M3U playlist, load the M3U playlist into the internal flash or a Micro SD card. Then find the M3U playlist under Directory. Press the M3U playlist to start importing the playlist.
Do guia do usuário do DX50: link