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
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