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steve-taylor/public-ipaddress.sh

Created February 27, 2013 14:58
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Assign the name of the Internet facing network interface to a variable in a shell script. Requires Internet access.
Raw
public-ipaddress.sh
#!/bin/sh
IPADDR=`wget -q -O - checkip.dyndns.org|sed -e 's/.*Current IP Address: //' -e 's/<.*$//'`
NIC=`ip addr show | grep $IPADDR | awk '{ print $(NF) }'`
# Rest of your script here
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