Re: what's wrong with rsync?
On Tue, 2003-01-28 at 20:42, will trillich wrote:
> apparently it does a remote diff somehow and then sends only the
> parts that need changing? i can't imagine that it's possible to
> compare two 1mb text files for differences without at least
> sending one across the wires -- yet the manpage certainly has me
> thinking that's what they claim it does. hmm?
Briefly - sending checksums.
Check out
http://olstrans.sourceforge.net/release/OLS2000-rsync/OLS2000-rsync.html
it describes the algorithm in a fair amount of detail, and is quite
entertaining too - and has tips for alternative uses for rsync.
I'm only half way through it so far ...
Richard
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