Overwrite Output Directory?

Would it be useful to add a command-line option to dvdauthor to delete 
the contents of the output directory if it exists?

Naturally this would be done safely, using the same logic as the 
dvddirdel script—only delete files that look like part of a DVD-Video 
directory structure, nothing else. (I’ve been burned by more general 
directory-deletion functions myself :).)

Perhaps add a “-O” option which specifies the output directory like 
“-o”, but also overwrites its contents, e.g.

     dvdauthor -o dir -x ctlfile

appends to any existing contents of dir, whereas

     dvdauthor -O dir -x ctlfile

would start dir afresh.

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