Rex Swain's HTMLified Perl 5 Reference Guide
$var a simple scalar variable. $var[28] 29th element of array @var. $p = \@var now $p is a reference to array @var. $$p[28] 29th element of array referenced by $p. Also, $p->[28]. $var[-1] last element of array @var. $var[$i][$j] $jth element of the $...