On Tue 20 Oct 2020 04:32:23 PM CEST, Eric Blake wrote: > My recommendation would be implementing a new BDS filter that does > uncompression. Then, you could do things like: > > raw -> decompress -> file.xz
This would work, although read-only and you would need a compression format that supports random access (I think that's the case with xz, at least if you compress it using small blocks). Berto