Directory hashing

[Simone Lazzaris]

In data lunedì 11 maggio 2020 10:00:38 CEST, lists at mlserv.org ha scritto:
> Hi,
> 
> I struggle with directory hashing. I want something like this:
> 
> /srv/mail/c/cf37a8dff5e360927ba10ab2
> 
> The final folder is simpel, as it is:
> 
> %{sha256;truncate=96:user}
> 
> But how do I get a first level from sha256? Unfortunately, the truncate
> option aligns only full 8bit and does not divide into low and high nibbles.
> How can I express this for sha256?
> 
> in MD5 this would be %1Mu
> 
> Many thanks in advance
> 
> Christian

Maybe as a workaround you can create a directory named /srv/mail/c and make 16 
symbolic links to it: /srv/mail/c0, /srv/mail/c1, /srv/mail/c2,  up to /srv/
mail/cf.

In that way you can use truncate=8.



-- 
Simone Lazzaris
QCom SpA