A handy script that will scan a whole disk, store MD5 marker files for each file, then can compare files to identify duplication. Can be used to check the integrity of a disk and compare two disks together. usage: dicad.pl -s source_directory [-t source_directory] [-l logfile] [-X dbmfile] [-I dbmfile [-d destination_path]] [-i size] [-f] [-v] -f force checksum calculation and validate against pre-existing -v verbose -D check for duplicates -X create duplicate exclusion list based on MD5 dbm file -I create duplicate inclusion list based on MD5 dbm file -d destination path -i ignore size (ignore files < this size) -S show summary counts -c use a tab deliminate list of enteries for -I or -X