calliope.export module and cpe export command supports
writing playlists to various formats.
Exporting to applications¶
You may pipe output from cpe export straight into a suitable application.
Rhythmbox exposes a D-Bus method that imports playlists. Install the rhythmbox-load-playlists script so you can pipe playlists straight into Rhythmbox:
... | cpe export - | rhythmbox-load-playlists