in reply to
how to get value of print command
Maybe this is what you want:
open( STDOUT, '>', \( my $output ) )
or die "Can't open in-memory file: $!";
print "Hello world!\n"; # prints to $output
print STDERR 'STDOUT: ' . $output;
STDOUT: Hello world!
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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