Simply clean playlist

sed -e '/MP3$\|mp3$\|wma$\|flac$/!d' <filename_source> > <filename_destination>
Remove all line from a playlist m3u that not finish with MP3 or mp3 or wma or flac creating a new clean plalist m3u
Sample Output
Before:
/HD_Musica/Compilation/Top.20.Hit.List.Italia/Top.20.Hit.List.Italia.12.Marzo.2016/20._Dua_Lipa_-_Be_The_One.mp3
/HD_Musica/Compilation/Top.20.Hit.List.Italia/Top.20.Hit.List.Italia.12.Marzo.2016/02_-_Francesca_Michielin_-_Nessun_Grado_Di_Separazione.mp3
/HD_Musica/Compilation/Top.20.Hit.List.Italia/Top.20.Hit.List.Italia.12.Marzo.2016/06_-_Maitre_Gims_-_Est-ce_que_tu_m_aimes.mp3
/HD_Musica/Compilation/Top.20.Hit.List.Italia/Top.20.Hit.List.Italia.12.Marzo.2016/20._Dua_Lipa_-_Be_The_One.jpg
/HD_Musica/Compilation/Top.20.Hit.List.Italia/Top.20.Hit.List.Italia.12.Marzo.2016/02_-_Francesca_Michielin_-_Nessun_Grado_Di_Separazione.jpg
/HD_Musica/Compilation/Top.20.Hit.List.Italia/Top.20.Hit.List.Italia.12.Marzo.2016/06_-_Maitre_Gims_-_Est-ce_que_tu_m_aimes.jpg

After:
/HD_Musica/Compilation/Top.20.Hit.List.Italia/Top.20.Hit.List.Italia.12.Marzo.2016/20._Dua_Lipa_-_Be_The_One.mp3
/HD_Musica/Compilation/Top.20.Hit.List.Italia/Top.20.Hit.List.Italia.12.Marzo.2016/02_-_Francesca_Michielin_-_Nessun_Grado_Di_Separazione.mp3
/HD_Musica/Compilation/Top.20.Hit.List.Italia/Top.20.Hit.List.Italia.12.Marzo.2016/06_-_Maitre_Gims_-_Est-ce_que_tu_m_aimes.mp3

0
By: vinabb
2017-03-21 22:14:08

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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