in reply to
Using more than one filehandle
open (FILE1, "file1.txt") or die "Can't read file1: $!";
open (FILE2, "file2.txt") or die "Can't read file2: $!";
#.... do whatever you need to each file, accessing them by the
# appropriate filehandle.
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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