shell bypass 403
package Text::Autoformat::NullHang;
$Text::Autoformat::NullHang::VERSION = '1.75';
use 5.006;
use strict;
use warnings;
sub new { bless {}, $_[0] }
sub stringify { "" }
sub length { 0 }
sub incr {}
sub empty { 1 }
sub signature { "" }
sub fields { return 0 }
sub field { return "" }
sub val { return "" }
1;