slimkid;291329 Wrote: 
> 
> @snarly & jjZolx too. I know that about the allocated tag space also.
> Point of my post is, there are ways to recognize that the file has
> changed and re-scan it beyond checking the change date. No need to
> check all tags either (ZZolx). And the current solution is only half
> baked. As I said, check how it's done in incremental backup programs.
> 

That depends on the program.  It can be last-modified-time, size, md4
or some other hash.

Computing md4 on every file would be rather time consuming for a fast
scan: it should not be the default.


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snarlydwarf
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