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The initial version of this command also outputted extra empty lines, so it went like this:
This happened on Ubuntu, i haven't tested on anything else.
There are 5 alternatives - vote for the best!
Fetches the IPs and ONLY the IPs from ifconfig. Simplest, shortest, cleanest.
Perl is too good to be true...
(P.S.: credit should go to Peteris Krumins at catonmat.net)
and, a lot uglier, with sed:
ifconfig | sed -n '/inet addr:/s/[^:]\+:\(\S\+\).*/\1/p'
Wanted to be shorter than the perl version. Still think that the perl version is the best..
If you can do better, submit your command here.
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