From fea8c9d418bb6c8e8c79f95ba5434e0e9437618d Mon Sep 17 00:00:00 2001
From: Ville Rantanen <ville.rantanen@helsinki.fi>
Date: Wed, 26 Apr 2017 09:11:21 +0300
Subject: [PATCH] some error processing to whatismyip

---
 web/whatismyip | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/web/whatismyip b/web/whatismyip
index ec634ad..c4f3a6b 100755
--- a/web/whatismyip
+++ b/web/whatismyip
@@ -16,8 +16,12 @@ done
 IP=$( dig +short myip.opendns.com @resolver1.opendns.com )
 
 if [[ "$NAME" -eq 1 ]]; then 
-  dig +short -x "$IP"
+  output=$( dig +short -x "$IP" )
 else
-  echo $IP
+  output="$IP"
 fi
 
+if [[ -z "$output" ]]; then
+  exit 1
+fi
+echo "$output"