prevent broken call of delete on bad syntax

create-linode.sh

@@ -151,7 +151,7 @@ if [[ "$SCRIPT_ACTION" == "l" ]]; then
 fi
 
 # Destroy
-if [[ "$SCRIPT_ACTION" == "d" ]]; then
+if [[ "$SCRIPT_ACTION" == "d" && -n "$LINODE_LABEL" ]]; then
   INSTANCE_IP=$(curl -s -H "Authorization: Bearer $LINODE_API_KEY" https://api.linode.com/v4/linode/instances | jq '.data[] | select(.label == "'$LINODE_LABEL'") | .ipv4[]' | sed -e "s/\"//g")
   INSTANCE_ID=$(curl -s -H "Authorization: Bearer $LINODE_API_KEY" https://api.linode.com/v4/linode/instances | jq '.data[] | select(.label == "'$LINODE_LABEL'") | .id' | sed -e "s/\"//g")
   echo "Destroying ID:$INSTANCE_ID Hit Ctrl-C in the next 10 seconds to cancel."