show_null — replace null-characters (\0) with literal "\0"
The filter makes null characters in input visible, by escaping and making them appear as usual "\0"s.
Interchange 5.9.0:
Source: code/Filter/show_null.filter
Lines: 20
# Copyright 2002-2007 Interchange Development Group and others # Copyright 1996-2002 Red Hat, Inc. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. See the LICENSE file for details. # # $Id: show_null.filter,v 1.5 2007-03-30 23:40:45 pajamian Exp $ CodeDef show_null Filter CodeDef show_null Description Show NULL CodeDef show_null Visibility private CodeDef show_null Routine <<EOR sub { my $val = shift; $val =~ s/\0/\\0/g; return $val; } EOR