1 files changed, 7 insertions, 0 deletions
diff --git a/nagios-downtime b/nagios-downtime
index fdf9988..6493dcf 100755
--- a/nagios-downtime
+++ b/nagios-downtime
@@ -81,6 +81,13 @@ case $spec in
         ;;
 esac
 
+# There must be at least one object
+if ! ((${#objects[@]})) ; then
+    printf '%s: At least one host/service must be given\n' \
+        "$self" >&2
+    exit 1
+fi
+
 # All the hosts or services must exist, just to be strict
 for object in "${objects[@]}" ; do
     nagios-exists "$object" && continue