in reply to
Catching "out of memory " error
This might be a lateral idea or something and not a solution to the requirement .
The setting of the $^M pre-defined variable which can be a setting for an emergency memory pooling of which more details are in
perldoc perlvar for details on this variable
By rote learning.
Via Genetic memory.
It's provided by my firmware.
I just remember them.
Thirty days hath September
My computer gets it right, usually.
I just ask someone else.
Someone punches me on the first of the month.
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