More parens (Multiplicative Operators): 
use warnings;
use strict;

my @arr = (("A") x 20, ("T") x 20, ("C") x 30, ("G") x 30);
print scalar @arr, "\n";

__END__

100

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In reply to Re: Loading multiple identical variables in array with multiplication variable by toolic
in thread Loading multiple identical variables in array with multiplication variable by Jeri

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