File: ip-eth1

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#!/bin/sh

IF=eth1

ifconfig=/sbin/ifconfig
grep=/bin/grep
cut=/usr/bin/cut
awk=/usr/bin/awk

if [ -z "$IF" ]; then
	cat << EOT >&2
Usage: $0 <interface>

EOT
	exit 1
fi

IP=`$ifconfig $IF | $grep "inet addr:" | $cut -d : -f 2 | $cut -d ' ' -f 1`
if [ -n "$IP" ]; then
	IPN=""
	for i in `echo $IP | $awk 'gsub(//," ")'`; do
		if [ "$i" = "." ]; then
			i=dot
		fi
		IPN="$IPN & $i"
	done
	IPN=${IPN:3}
	cat << EOT
$IPN
EOT
fi

exit 0