Storing pre-cached hashes

Wayne Davison wayned at
Fri May 23 23:38:19 GMT 2008

On Fri, May 23, 2008 at 11:23:24AM -0500, Michael Short wrote:
> Would it be possible to analyze and store hashing information about
> file A before it is neccessary to compare it with file B? I want to
> know because in my software file A will not be available to either
> system when the new version of the file must be sent.

The only thing that rsync supports in that genre is its batch
processing.  As long as you know what the destination file's current
state is, you can write out a batch that will update it, transport the
batch, and apply it.


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