On Mon, 30 Oct 2000, Manuel Bouyer wrote:

> On Mon, Oct 30, 2000 at 01:12:32PM +1100, Andrew Cagney wrote:
> > While it would consume a lot of  disk space and CPU time it should
> > consume significnatly less network bandwidth.  Someone with two
> > different 1.5x releases may want to try an ``rsync -n'' to see how much
> > does get transfered.
> 
> I'm not sure this would save that much: the dates would be different anyway
> (all binaries gets rebuilt) so you would have to do checksums.

"rsync" does do checksums over blocks of the file, so it has the
potential to save some bandwidth in this case.


Frederick