replacepdfobj.pl - Copy a metadata object from one PDF to another
replacepdfobj.pl [options] mainfile.pdf objnum objfile.pdf objnum [outfile.pdf]\n";
Options:
-f --follow copy referenced objects too
-o --order preserve the internal PDF ordering for output
-v --verbose print diagnostic messages
-h --help verbose help message
-V --version print CAM::PDF version
Copy an object (and perhaps it's referenced children) from one PDF to another.
This is a rather low-level utility that will not be of interest to most users.