把代码保存为.pl即可

===============code================

#!/usr/bin/perl
use IO::Socket;
use Net::FTP;
$host = shift or die "Usage: perl $0 []\n";
$user = shift or die "Usage: perl $0 []\n";
$pass = shift or die "Usage: perl $0 []\n";
$log_file = shift;
$ftp=Net::FTP->new($host) or die "Impossibile connettersi a $host.\n";
$ftp->login ($user, $pass) or die "Errore durante il login.\n";
@file = $ftp->ls ();
$cont4 = 0;
$log = "Scansione sito: $host\n";
while ($cont4 < scalar (@file)){
my $sock = new IO::Socket::INET (
PeerHost => $host,
PeerPort => "80",
Proto => "tcp",
) or die "Impossibile connettersi a $host: $!\n";
$page = "";
print $sock "get /@file[$cont4]\n\n";
while (<$sock>){
        $page .= $_;
}
my (@variabili, @var_method);
$cont2 = 0;
$cont = 0;
while ($cont <= length ($page)){
if ($page =~ / $method = $2;
$page =~ /(.+?)<\/form>/;
$cont5 = 0;
$in_form = $1;
while ($cont5 <= length ($in_form)){
if ($in_form =~ /<(input|textarea).+?name.+?('|")(.+?)("|')/){
@variabili [$cont2] = $3;
@var_method [$cont2] = $method;
$in_form =~ s/<(input|textarea).+?name.+?('|")(.+?)("|')/done/;
}
$cont5++;
}
$page =~ s/ }
$cont++;
}
close ($sock);
$cont3 = 0;
while ($cont3 < scalar (@variabili)){
        my $sock = new IO::Socket::INET(
        PeerHost => $host,
        PeerPort => "80",
Proto => "tcp",
        ) or die "Impossibile connettersi a $host.\n";
if (@var_method[$cont3] == "GET"){
        print $sock "get /@file[$cont4]?@variabili[$cont3]=\n\n";
}
elsif (@var_method[$cont3] == "POST"){
$var = "@variabili[$cont3]=";
$to_send = "POST /pagina\n".
        "Host: $host\n".
             "Content-Type: application/x-www-form-urlencoded\n".
        "Content-Length: ".length($var)."\n\n".
        $var."\n\n";
print $sock $to_send;
}
else {
die "@var_method[$cont3]: Metodo sconosciuto.\n";
}
        $page2 = "";
        while (<$sock>){
                $page2 .= $_;
        }
        if ($page2 =~ /