こんな感じ http://gyazo.gijutsuya.jp/data/93ca9665f1e96a7f38b817a37840f7b7.png
#! /bin/bash
myen0=`ifconfig en0 | grep "inet " | grep -v 127.0.0.1 | awk '{print $2}'`
if [ "$myen0" != "" ]
then
echo "Ethernet: $myen0"
else
echo "Ethernet: INACTIVE"
fi
mytun0=`ifconfig tun0 | grep "inet " | grep -v 127.0.0.1 | awk '{print $2}'`
if [ "$mytun0" != "" ]
then
echo "OpenVPN: $mytun0"
else
echo "OpenVPN: INACTIVE"
fi