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Re:Fire declared in OVH SBG2 datacentre building by dylan604 on Wednesday March 10, 2021 @12:27AM (#26408116)
Can't you add only changes to a tar?
Re:Fire declared in OVH SBG2 datacentre building by teddyh on Wednesday March 10, 2021 @03:26AM (#26409086)
Indeed it does; see the --listed-incremental and --incremental options:

https://www.gnu.org/software/tar/manual/tar.html#Incremental...