/Library/Backblaze.bzpkg/bzdata/bzbackup, and run with:
It will process
bzfileids.dat placing any file that exists in
bzfileids.dat-found and any missing file in
bzfileids.dat-missing. You can then back up your original file and replace it with
My original file was almost 1.4GB. It had grown so large that the backup would cause all my fans spin and it never seemed to complete. Backblaze support suggested I delete my entire backup with them and start over. After running this script, my new
bzfileids.dat file is 301MB. Still huge, but about 1/5th the size. The backup seemed to go much more smoothly.