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- #!/usr/local/bin/perl
- #
- # hosts-count - prints the count of (different) hostnames contained in A RR's
- # These names should be absolute (see expand)
- #
- # Copyright (C) 1992, 1993 PUUG - Grupo Portugues de Utilizadores
- # do Sistema UNIX
- # 1992, 1993 FCCN - Fundacao para o Desenvolvimento dos Meios
- # Nacionais de Calculo Cientifico
- #
- # Authors: Jorge Frazao de Oliveira <frazao@puug.pt>
- # Artur Romao <artur@dns.pt>
- #
- # This file is part of the DDT package, Version 2.0.
- #
- # Permission to use, copy, modify, and distribute this software and its
- # documentation for any purpose and without any fee is hereby granted,
- # provided that the above copyright notice appear in all copies. Neither
- # PUUG nor FCCN make any representations about the suitability of this
- # software for any purpose. It is provided "as is" without express or
- # implied warranty.
-
-
- while (<STDIN>) {
- if (/\tA\t/) {
- ($Name) = split(/\s+/, $_);
-
- $count++ if !$host{$Name}++;
- }
- }
-
- print $count;
-
-