Hi Hauke, This is an example of the file format: 
    blocked using dummy1 (total: 6)
           3   rzxwrvxk.com
           1   correio.biz
           1   facebook.com
           1   213.183.58.6
    blocked using dummy2 (total: 330)
           2   118.125.110.201
           1   61.2.46.20
    blocked using dummy3 (total: 5)
           2   hinet.net
           1   219.140.15.195
           1   219.139.16.134
           1   222.189.112.23
    blocked using dummy4 (total: 53)
           5   66.23.212.67
           5   66.23.212.70
           4   66.23.212.68
           4   66.23.212.69
    Relay access denied (total: 13)
           1   46.183.217.174
           1   46.183.220.137
           1   46.183.220.138

[download]
Code: 
use strict;
use warnings;

my $ip="";
my $io;

while (<>) {
    if (/blocked.using/) {
        do {
            $io = <>;
            $ip = $2 if $io =~ /(\d+)\s+(\S+)/;
            print $ip;
            #adding to database;
        } until ($io !~ /(\d+)\s+(\S+)/);
   }

    if (/Relay.access.denied/) {
        do {
            $io = <>;
            $ip = $2 if $io =~ /(\d+)\s+(\S+)/;
            print $ip;
            # adding to database;
        } until ($io !~ /(\d+)\s+(\S+)/);
    }
}

[download]
Output I get : 
rzxwrvxk.com
correio.biz
facebook.com
213.183.58.6
213.183.58.6
hinet.net
219.140.15.195
219.139.16.134
222.189.112.23
222.189.112.23
46.183.217.174
46.183.220.137
46.183.220.138

[download]

In reply to Re^4: Loop problem: jumps one record by math&ing001
in thread Loop problem: jumps one record by Anonymous Monk

Title:
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