#!/bin/sh

ip a|grep "inet "|grep -v " 127."|grep -v " 10."|grep -v " 192.168."|grep -v " 169.254."| \
grep -v " 172.1[6-9]" | \
grep -v " 172.2[0-9]" | \
grep -v " 172.3[1-1]"

NumWanIP=`ip a|grep "inet "|grep -v " 127."|grep -v " 10."|grep -v " 192.168."|grep -v " 169.254."|grep -v " 172.1[6-9]"|grep -v " 172.2[0-9]"|grep -v " 172.3[1-1]"|wc -l`

if [ $NumWanIP -eq 0 ]; then
	curl --max-time 3 http://whatismyip.akamai.com
	echo
fi
