command line: updcat.exe /? Usage: updcat [-a ] Usage: updcat [-d ] Usage: updcat [-r ] Usage: updcat [-attr ] -a, add the file by hash to the catalog -d, delete the hash from the catalog -r, replace the hash in the catalog with the hash of the file -attr, add an ASCII attribute to a file's catalog entry -SpAttr:, replace the current (or add new) SpAttr in the catalog