Of course it's more fun to do it yourself. Try this:
my @ary = (1, ['a', 'b', [], [3, [0], 5]]);
print_deep_array(\@ary);
print "\n";
sub print_deep_array($)
{
my $arrRef = shift;
for (my $i = 0; $i < scalar(@$arrRef); ++$i) {
if (ref($arrRef->[$i]) eq 'ARRAY') {
print ', ' if ($i);
print '[';
print_deep_array($arrRef->[$i]);
print ']';
} else {
print ', ' if ($i);
print $arrRef->[$i];
}
}
print ' ' if (!scalar(@$arrRef));
}
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