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open FH, "$INPUT_DIR/$input_file" or die "Couldn't Open File: $!";
my ($s, $a, $c, $r) = (split / [, \t]/, $_);
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.
Results (108 votes),