#!/bin/sh
#
# Displays first match of non-localhost IP
#
# Copyright (C) 2011 Mike Gerwitz
#
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
##

# display first non-localhost IP
ifconfig \
    | grep -m1 -oP 'inet addr:[^ ]+(?<!127\.0\.0\.1|::1) ' \
    | cut -f2 -d: \
    | sed 's/ $//'