$ spotify-backupper --help

--format <argument>
     The format for encoding your Spotify library. (json or xml)


--help
     Show the help page for this command.


--storage <argument>
     The backup storage. (local or dropbox)


--with-collaborative/--with-collab
     Whether to include collaborative playlists.

$ cd my-backup-dir
$ SPOTIFY_ACCESS_TOKEN=yourToken path/to/spotify-backupper

$ SPOTIFY_ACCESS_TOKEN=yourToken DROPBOX_ACCESS_TOKEN=yourToken path/to/spotify-backupper --storage dropbox