Originally Posted by JSWolf
Can you make your tool do an after clean? So say someone uses Sigil to split things. Instead of then having to sort out things that will need to be sorted like broken links and such, ePubSplit be used to do just the cleaning up?
Somewhat. You could use EpubSplit and select all files, that should remove any extra css/image files that aren't used.
It doesn't make any attempt to remove links to files that aren't in the source epub.