Create .m3u playlists from a directory structure
dir2m3u 
Create m3u playlists from directories
USAGE:
    dir2m3u [FLAGS] <DIRECTORY>
FLAGS:
    -h, --help         Prints help information
    -r, --recursive    recursive: turn subdirectories into playlists too
    -V, --version      Prints version information
ARGS:
    <DIRECTORY>    directory used to create the playlist [default: .]
Run the executable to create m3u playlist files with the songs in the directories you provided
Use -r to create a playlist for each directory contained in the one you selected.
All the m3u playlist files will have the same name as the directory they were created from
Learning project