You can also do (updated) 
use strict;

local $\ = "\n";
local $_ = 'x' x 1000;
my $pat  = qr/.{1,80}/;

while (/($pat)/g) {
    print $1;
}

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In reply to Re: Breaking up a really long string by caelifer
in thread Breaking up a really long string by mhearse

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