X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/upsgraph/blobdiff_plain/0d627df92167c3a34339140fe3570a90dd51bebe..46ead44b92d43186d9bfb7353f9ed391ff4a90bd:/upsgraph.pl

diff --git a/upsgraph.pl b/upsgraph.pl
index 82e0259..c61b6c0 100755
--- a/upsgraph.pl
+++ b/upsgraph.pl
@@ -107,6 +107,11 @@ if ($> == 0) {
 foreach my $host (@$hosts) {
 	my $rrdfile = $host->{'rrdfile'};
 
+	foreach my $var (keys(%{$host->{'vars'}})) {
+		$host->{'vars'}->{$var}->{'min'} = 'U' if (!defined($host->{'vars'}->{$var}->{'min'}));
+		$host->{'vars'}->{$var}->{'max'} = 'U' if (!defined($host->{'vars'}->{$var}->{'max'}));
+	}
+
 	if (-e "${rrdfile}") {
 		print "Reading old ${rrdfile} to preserve data...\n";