DO NOT REPLY [Bug 5954] New: Implement something like --very-fuzzy

samba-bugs at samba-bugs at
Mon Dec 8 21:17:30 GMT 2008

           Summary: Implement something like --very-fuzzy
           Product: rsync
           Version: 3.1.0
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: enhancement
          Priority: P3
         Component: core
        AssignedTo: wayned at
        ReportedBy: wasabi at
         QAContact: rsync-qa at

I'd like rsync to be able to compare all files on both sides to each other. All
of them.

Use case:  I have a 70GB music directory. I sync it between home and work. At
home I run a retagger which tags and renames pretty much every file and
directory. So they've all moved, they're all named differently, AND their
contents have changed. This basically would result in 70GB of transfers.

If rsync were to calculate block hashes for EVERY FILE on BOTH SIDES, and then
use those hashes as the sources of new files, this would not take the 2 weeks
it would take otherwise. It might take an hour to calculate hashes. But that'd
be fine.

So maybe --very-fuzzy, --really-fuzzy, or even --fuzzy --fuzzy --fuzzy.

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