+N: check
+P: AFS_READ
+D: Run integrity checks against osl tables.
+U: check [-a] [-m] [-p]
+H: Check the audio file table, the mood definitions and all defined playlists and
+H: report any inconsistencies found.
+H:
+H: Options:
+H:
+H: -a Run audio file table checks. Checks for entries in the audio file
+H: table which are not present in the file system. Moreover, it checks
+H: whether the lyrics id and all entries in the audio file table are
+H: valid.
+H:
+H: -m Run syntax checks on all defined moods in the mood table.
+H:
+H: -p Check all playlists for lines that correspond to files not contained
+H: in the audio file table.
+H:
+H: If called without arguments, all three checks are run.
+---