[aquabeagle]

tarsnap desperately needs something like this included with it.

[aorth]

Also see tarsnapper. I've been using it for years.

https://github.com/miracle2k/tarsnapper

[pronoiac]

You might like this (self-plug): https://github.com/pronoiac/tarsnap-cron

[closeneough]

I also was missing such a feature. That's why I build this.