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simple echo of IPv4 IP addresses assigned to a machine

Terminal - simple echo of IPv4 IP addresses assigned to a machine
ip addr | awk '/inet / {sub(/\/.*/, "", $2); print $2}'
2010-03-04 14:21:18
User: markdrago
Functions: awk
0
simple echo of IPv4 IP addresses assigned to a machine

ifconfig is dead, long-live iproute2

this also uses only awk to do the grepping and removal of CIDR notation

Alternatives

There are 2 alternatives - vote for the best!

Terminal - Alternatives
ifconfig | awk '/inet addr/ {print $2 }' | sed 's/.*://g'
2010-03-04 08:15:08
User: Guyverix
Functions: awk ifconfig sed
-2

Easy way to grab the IP address of a machine for easy script use. If needed a "| grep -v 127.0.0.1" at the end will suppress localhost.

ifdata -pa eth0

Know a better way?

If you can do better, submit your command here.

What others think

I get an error on Mac OS:

-bash: ip: command not found
Comment by putnamhill 286 weeks and 2 days ago

OS X being based on BSD has not yet included the ip command. The ip command is provided by the iproute2 package and is currently Linux only:

http://www.linuxfoundation.org/collaborate/workgroups/networking/iproute2

Comment by d34dh0r53 286 weeks and 2 days ago

This version has been tested on mac and linux:

http://www.commandlinefu.com/commands/view/4219/return-ip-address

Comment by putnamhill 286 weeks and 2 days ago

Your point of view

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