--- doc/loncapafiles/updatequery.piml	2002/06/12 17:07:55	1.16
+++ doc/loncapafiles/updatequery.piml	2002/09/08 23:57:51	1.19
@@ -1,7 +1,7 @@
 <!-- updatequery.piml -->
 <!-- Scott Harrison -->
 
-<!-- $Id: updatequery.piml,v 1.16 2002/06/12 17:07:55 harris41 Exp $ -->
+<!-- $Id: updatequery.piml,v 1.19 2002/09/08 23:57:51 harris41 Exp $ -->
 
 <!--
 
@@ -145,6 +145,11 @@ END
 }
   my $choice=&lt;&gt;;
   chomp($choice);
+  my $bad_domain_flag=0;
+  my @bad_domain_names=('raw','userfiles','priv','adm','uploaded');
+  foreach my $bad (@bad_domain_names) {
+    $bad_domain_flag=1 if $choice eq $bad;
+  }
   if ($ipdomain and $choice=~/^\s*$/) {
     $choice=$ipdomain;
     open(OUT,'&gt;&gt;/tmp/loncapa_updatequery.out');
@@ -161,6 +166,10 @@ END
     $r='l';
     $flag=1;
   }
+  elsif ($bad_domain_flag) {
+    print "Invalid input ('$choice' conflicts with LON-CAPA namespace).\n";
+    print "Please try something different than '$choice'\n";
+  }
   else {
     print "Invalid input (only alphanumeric characters supported).\n";
   }
@@ -342,6 +351,7 @@ my %perlvarstatic;
 # update loncapa.conf until 7 is entered
 
 $flag=0;
+
 while (!$flag) {
   print(&lt;&lt;END);
 
@@ -355,6 +365,30 @@ This is now the current configuration of
 6) Server Load: $perlvar{'lonLoadLim'}
 7) Everything is correct up above
 END
+my $hbug=-1;
+my $dbug=-1;
+{
+  my $v=$perlvar{'lonHostID'};
+  $hbug=0;
+  $hbug=1 if $v=~/\W/;
+  $hbug=1 if $v=~/\_/;
+}
+{
+  my $v=$1;
+  $dbug=0;
+  $dbug=1 if $v=~/\W/;
+  $dbug=1 if $v=~/\_/;
+}
+
+if ($hbug) {
+  print "**** ERROR **** ".
+	"Invalid lonHostID (should only be letters and/or digits)\n";
+}
+if ($dbug) {
+  print "**** ERROR **** ".
+	"Invalid lonDefDomain (should only be letters and/or digits)\n";
+}
+
   print(&lt;&lt;END);
 ENTER A CHOICE OF 1-6 TO CHANGE, otherwise ENTER 7:
 END
@@ -528,7 +562,8 @@ END
        close(OUT);
       `ln -s new_${lonCluster}_hosts.tab ../hosts.tab`;
       # email appropriate message
-      `echo "REPLACE:$lonCluster:$lonHostID:$date:$line2insert" | mail -s "REPLACE:$lonCluster:$lonHostID:$date" installrecord\@mail.lon-capa.org`;
+      system('ping -c 1 www.lon-capa.org > /dev/null || ping -c 1 www.msu.edu > /dev/null || ping -c 1 www.mit.edu > /dev/null');
+      `echo "REPLACE:$lonCluster:$lonHostID:$date:$line2insert" | mail -s "REPLACE:$lonCluster:$lonHostID:$date" installrecord\@mail.lon-capa.org` unless $?;
     }
     elsif ($hostidexistflag and $lineexistflag) {
       print &lt;&lt;END;