Hi jeanluca,

My own preference in this case is almost always: 

printf "keys=%d\n", 0+(keys %r);

[download]

I just like the brevity of that over scalar.

s''(q.S:$/9=(T1';s;(..)(..);$..=substr+crypt($1,$2),2,3;eg;print$..$/

In reply to Re: keys(%hash) not in scalar context in printf by liverpole
in thread keys(%hash) not in scalar context in printf by jeanluca

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