--- loncom/lonnet/perl/lonnet.pm	2003/03/26 15:49:02	1.354
+++ loncom/lonnet/perl/lonnet.pm	2003/03/26 19:34:42	1.355
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.354 2003/03/26 15:49:02 www Exp $
+# $Id: lonnet.pm,v 1.355 2003/03/26 19:34:42 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1198,8 +1198,9 @@ sub courseidput {
 sub courseiddump {
     my ($domfilter,$descfilter,$sincefilter)=@_;
     my %returnhash=();
+    unless ($domfilter) { $domfilter=''; }
     foreach my $tryserver (keys %libserv) {
-	if ($hostdom{$tryserver}=~/$domfilter/) {
+	if ((!$domfilter) || ($hostdom{$tryserver} eq $domfilter)) {
 	    foreach (
              split(/\&/,&reply('courseiddump:'.$hostdom{$tryserver}.':'.
 			       $sincefilter.':'.&escape($descfilter),