match changes from startup test.

webtools/graph/xulwinopen/collect.cgi

@@ -39,6 +39,11 @@ die "No 'value' parameter supplied"
 die "No 'data' parameter supplied" 
      unless $data;
 
+# If file doesn't exist, try creating empty file.
+unless (-f "db/$tbox") {
+  open(FILE, "> db/$tbox") || die "Can't create new file db/$tbox: $!";
+  close(FILE);
+}
 # record data
 open(FILE, ">> db/$tbox") ||
      die "Can't open $tbox: $!";

webtools/graph/xulwinopen/query.cgi

@@ -40,7 +40,7 @@ sub print_machines {
 }
 
 sub show_graph {
-  die "$TBOX is not a valid machine name" 
+  die "$TBOX: no data file found"
 	unless -e $DATAFILE; 
 
   my $PNGFILE  = "/tmp/gnuplot.$$";