in reply to Sort hash ref of Hash of Hashes
You are comparing string values 'PQRST' etc... but using the numerical sort (spaceship '<=>') operator. You should be using cmp. See sort for more info.
So, always use warnings;. (Documented in perllexwarn).
Once (shame on you!)
Twice (shame on me!)
More often than I'd like to be
All the time
Just when answering stupid polls
Who you callin' a fool?
I refuse to vote in this ridiculous poll
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