in reply to
Re^2: perl oneliner on multiple files
in thread perl onliner on multiple files
perl -c -lne'/(\d+): /and$c+=$1;eof&&($c=!print"SUM.$ARGV =$c")' tmp_*
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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