--- parse_iptraf.pl	2002/05/20 17:25:52	1.4
+++ parse_iptraf.pl	2002/05/22 07:11:08	1.5
@@ -2,6 +2,8 @@
 
 # based on work of Eric Wong <eric@taedium.net>
 # available at http://www.taedium.net/rrd-iptraf/ [iptraf.txt]
+#
+# Dobrica Pavlinusic <dpavlin@rot13.org>
 
 use strict;
 use warnings;
@@ -57,7 +59,7 @@
 close(LOG);
 
 foreach my $port (@PORTS) {
-	print @{$hash{$port}}[0] || 0,"\n",@{$hash{$port}}[1] || 0,"\n";
+	print @{$hash{$port}}[0] || "U","\n",@{$hash{$port}}[1] || "U","\n";
 	delete $hash{$port};
 }
 
@@ -67,4 +69,7 @@
 	$sum_in+=@{$hash{$port}}[0];
 	$sum_out+=@{$hash{$port}}[1];
 }
+
+$sum_in = "U" if ($sum_in == 0);
+$sum_out = "U" if ($sum_out == 0);
 print "$sum_in\n$sum_out\n";