Scan DIRECTORY for newly-arrived upload packets. Remove blatantly bogus
files, ignore partial packets and acceptable files that are either still
-open or recently modified, and return a list of arrayrefs representing
-complete packets found. The files mentioned in the returned arrayrefs have
-been moved to the SCRATCHPAD directory. Each returned packet begins with
-the directive file, but order is not otherwise specified.
+open or recently modified, and return a list of objects representing
+complete packets found. The files referenced by the returned objects have
+been moved to the SCRATCHPAD directory.
=cut