What can be newer or not existent yesterday, but has the same filename?
Something that one changed with an editor? Would not be better to use
a version contro system?

Rod.

On Mon, 18 Nov 2019, Nick Holland wrote:

On 2019-11-17 11:39, Jean-François Simon wrote:
Hi,

I found it, there exist glastree which is available from ports.

Nice small "poor man's" backup as the author qualifies,
though makes incremental backup through hard links:

        # if yesterday does not exist or today is newer, copy the file
        # else hard link the file to yesterday

rsync --link-dest -- it's been in rsync for well over 10 years at this
point.  Little wrapper shell script and away you go...

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