There is no such thing as a hashref slice.

A hashref is a scalar, a reference to a hash.

Like the many monks above have showed you, you need to properly dereference the hash.

All the wisdom is contained within perlref. perldata, perllol and perldsc are also very useful to read.

 

______crazyinsomniac_____________________________ Of all the things I've lost, I miss my mind the most. perl -e "$q=$_;map({chr unpack qq;H*;,$_}split(q;;,q*H*));print;$q/$q;"