fixes

dyndns.sh

@@ -6,14 +6,8 @@
 
 ip_version="$1"
 if [ -z "${ip_version:-}" ] || ([ "$ip_version" != 4 ] && [ "$ip_version" != 6 ]); then
-    echo "Error: no valid IP version provided" &>2
-    echo "Usage: dyndns.bash <4|6>" &>2
-    exit 1
-fi
-
-IP="$(./get_ip_addr.sh $ip_version)"
-if [ -z "$IP" ]; then
-    echo "Error: could not find IP address" &>2
+    echo "Error: no valid IP version provided" >&2
+    echo "Usage: dyndns.bash <4|6>" >&2
     exit 1
 fi
 
@@ -21,6 +15,12 @@ SCRIPT="$0"
 SCRIPT_DIR=$(cd "${SCRIPT%/*}" && pwd )
 SCRIPT_NAME=${SCRIPT##*/}
 
+IP="$($SCRIPT_DIR/get_ip_addr.sh $ip_version)"
+if [ -z "$IP" ]; then
+    echo "Error: could not find IP address" >&2
+    exit 1
+fi
+
 REPEAT_CHECK_DIR=$SCRIPT_DIR
 REPEAT_CHECK_A=$REPEAT_CHECK_DIR/REPEAT_CHECK_A
 REPEAT_CHECK_AAAA=$REPEAT_CHECK_DIR/REPEAT_CHECK_AAAA

get_ip_addr.sh

@@ -2,7 +2,7 @@
 
 ip_version="$1"
 if [ -z "${ip_version:-}" ] || ([ "$ip_version" != 4 ] && [ "$ip_version" != 6 ]); then
-    echo "Usage: get_ip_addr <4|6>" &>2
+    echo "Usage: get_ip_addr <4|6>" >&2
     exit 1
 fi
 
@@ -15,13 +15,13 @@ set -eu
 CONN_NAME=${CONN_NAME:-nevis}
 conn_device_name="$(nmcli --fields NAME,DEVICE con show | grep ^$CONN_NAME | sed 's/\s\+/ /g' | cut -d' ' -f 2)"
 if [ -z "${conn_device_name:-}" ]; then
-    echo "Could not find the connection device name for connection: \"$CONN_NAME\"" &>2
+    echo "Could not find the connection device name for connection: \"$CONN_NAME\"" >&2
     exit 1
 fi
 
 device_line_no="$(ip addr | grep -En ^[0-9]+:\ $conn_device_name | cut -d':' -f 1)"
 if [ -z "${device_line_no:-}" ]; then
-    echo "Could not find device: \"$conn_device_name\" in output of ip addr" &>2
+    echo "Could not find device: \"$conn_device_name\" in output of ip addr" >&2
     exit 1
 fi