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).
1. Keep it simple
2. Just remember to pull out 3 in the morning
3. A good puzzle will wake me up
Many. I like to torture myself
0. Socks just get in the way
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