if($socket == $server) {      my $client = $socket->accept;      $select->add($client);      $client->print("Connected"); # Aufforderung Username zu senden } else {       my $line = $socket->getline;       if(defined $line) { $line =~ s!\r?\n$!!g;            if(substr($line,0,4) eq 'name') {             push @users, substr($line,4,20);                   $socket->print("In Userlist aufgenommen\n");            } else {             if(lc($line) eq "quit") {                    print "Client quits\n";                         delete_socket($select, $socket);                   } else {                        print "Client says: [$line]\n";                         $socket->print("$line\n");                   }             } } else { print "Connection closed by client\n";      delete_socket($select, $socket); } }