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$a = "xyz"; $b = \$a; ... while (ref $d eq "REF") { $d = $$d; } $, = " & "; print ($a, $b, $c, $d, $dd);
$a = "xyz"; $b = \$a; ... $, = " & "; $e = \$d; print ($a, $b, $c, $d, $dd, $e);
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