tag:
help: Set interface to send DDNS updates for
type: txt
syntax:expression: exec "
        intf_array=($(awk '$1 ~ /:/ { print $1 }' /proc/net/dev))
        intf_array_len=${#intf_array[*]}
        i=0
        while [ $i -lt $intf_array_len ]; do
             temp=${intf_array[$i]%:*}
             if [ \"$temp\" == \"$VAR(@)\" ] ; then
                   exit 0
             fi
             let i++
        done
        echo Invalid interface [$VAR(@)]
        exit 1 "

allowed: local -a array ;
         array=($(awk '$1 ~ /:/ { print $1 }' /proc/net/dev));
         echo -n ${array[@]%:*}

commit:expression: $VAR(./@/service/@@) != ""; "Atleast one service must be set to send DDNS updates for $VAR(@)"

delete:expression: "touch /tmp/ddclient_$VAR(@).$PPID"

end:expression: "if [ -f \"/tmp/ddclient_$VAR(@).$PPID\" ]; then \
        sudo /opt/vyatta/sbin/vyatta-dynamic-dns.pl --stop-dynamicdns --interface $VAR(@) \
        rm /tmp/ddclient_$VAR(@).$PPID; \
      else \
        sudo /opt/vyatta/sbin/vyatta-dynamic-dns.pl --update-dynamicdns --interface $VAR(@); \
      fi; "