From b1d4d9bba1a5b306ff0eb956fff602124c690f8a Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@robotics.uk.to>
Date: Wed, 19 Oct 2016 15:24:44 +0100
Subject: [PATCH] Only display an ipv6 address if it exists

---
 src/freedombone-controlpanel | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/freedombone-controlpanel b/src/freedombone-controlpanel
index 3f0f37f6..f4c7a741 100755
--- a/src/freedombone-controlpanel
+++ b/src/freedombone-controlpanel
@@ -368,7 +368,12 @@ function show_ip_addresses {
     echo 'IP/DNS addresses'
     echo '================'
     echo ''
-    echo "IPv4: $(get_ipv4_address)    IPv6: $(get_ipv6_address)"
+    echo -n "IPv4: $(get_ipv4_address)"
+    ipv6_address="$(get_ipv6_address)"
+    if [ ${#ipv6_address} -gt 0 ]; then
+        echo "    IPv6: $(ipv6_address)"
+    fi
+    echo ''
     echo ''
 }