SCP with Resume Feature

Jim Knoble jmknoble at
Fri Apr 2 06:04:33 AEDT 2021

Rsync already has the behavior you speak of (transfer only blocks that differ).  Any reason why `rsync -P` won't work for your case (with or without `--checksum`)?


> On Apr 1, 2021, at 14:49, rapier <rapier at> wrote:
>> On 4/1/21 2:28 PM, Peter Stuge wrote:
>> rapier wrote:
>>> I'm open to any and all suggestions, modifications, criticism and so forth.
>> Do you think there are some ways to accomplish same or similar
>> functionality also for SFTP? Perhaps that could help acceptance
>> for some SCP development.
> SFTP already has a resume feature with reput and reget (aka put -a and get -a). The main difference is that it doesn't check to see if file chunks are identical before appending. I think that would be handy and I might do that at some point.
> Chris
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