ex­cludeonly – Prevent files be­ing \in­clude-ed

The pack­age de­fines an \ex­cludeonly com­mand, which is (in ef­fect) the op­po­site of \in­cludeonly. If both \in­cludeonly and \ex­cludeonly ex­ist in a doc­u­ment, only files “al­lowed” by both will be in­cluded.
The pack­age re­de­fines the in­ter­nal \@in­clude com­mand, so it con­flicts with pack­ages that do the same. Ex­am­ples are the classes pa­per.cls and the­sis.cls.