This is a continuation of the same program I have been struggling with. I think it is about 95% there, but the last part still eludes me.

The goal is to update AV signatures if you have not 'seen' them before. I use a flat file containing update signature file names. I want to iterate through that file and compare it to the files found on the ftp server. If I have never seen the file (ending in x86.exe) then 'get' it.

I can't seem to get the arrays to compare with each other. Pointers are appreciated. Thanks to all those who already helped, I will pay it forward. 

      1 #!/usr/bin/perl -w
      2 #use strict;
      3 use Net::FTP;
      4 my $host = 'www.ftp.com';
      5 my $user = 'anonymous';
      6 my $pass = 'updatepuller@ftp.com';
      7 my $remote_dir = '/pub/antivirus/NAV/signatures';
      8 my $destination_dir= "current-sig";
      9    $ftp = Net::FTP->new($host, Debug => 1);
     10    $ftp->login($user,$pass);
     11 my @listing = $ftp->ls("$remote_dir");
     12 $lflag = 0;
     13           if(-e "./lastupdate.txt") {
     14               open(LASTUPDATE,"./lastupdate.txt");
     15                       @lupd = (<LASTUPDATE>);
     16               close(LASTUPDATE);
     17 $lflag = 1;
     18                  } else {
     19                    $lupd = "";
     20                  }
     21           foreach $line (@listing) {
     22                       chomp($line);
     23                   $lline = lc($line);
     24           if ($lline =~ "x86.exe") {
     25                   foreach $haveit (@lupd) {
     26                       chomp($haveit);
     27           if (($lflag == 0) || ($haveit ne $line)) {
     28 $ftp->type("I");
     29 $ftp->get("$line");
     30                                                   }
     31                                        }
     32           $newupdate .= "$line\n";
     33                             }
     34                  }
     35 $ftp->quit;
     36           #@lupd = split(/\n/,$newupdate);
     37           @nupd = ($newupdate);
     38                   open(NEWUPDATE,">>./lastupdate.txt");
     39                   print NEWUPDATE @nupd;
     40 close(NEWUPDATE);

[download]
Contents of lastupdate.txt after a run
/pub/antivirus/NAV/signatures/0708x86.exe/pub/antivirus/NAV/signatures/0703x86.exe

In reply to Anti-Virus Signature Updates by linebacker

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