linux获取本机ip脚本,shell脚本获得本机ip地址

#!/bin/bash

#author:

#date:2015-6-13

#filename:ip.sh

#############################

ifconfig_cmd=`which ifconfig`

$ifconfig_cmd > ifconfig.me

###################################

function obtain_ip_information(){

if grep -q 'bond' ifconfig.me

then

bond_name=`cat ifconfig.me | grep bond | grep -v grep | awk '{print $1}'`

current_ip=`"${ifconfig_cmd}" "${bond_name}" | grep Bcast | awk '{print $2}' | awk -F ":" '{print $2}'`

current_netmask="255.255.255.0"

current_gateway=`echo ${current_ip} | cut -f 1-3 -d "." | sed 's/$/\.254/g'`

echo ${current_ip}

echo ${current_netmask}

echo ${current_gateway}

elif grep -q 'eth' ifconfig.me

then

current_ip=`${ifconfig_cmd} eth0 | grep Bcast | awk '{print $2}' | awk -F ":" '{print $2}'`

current_netmask="255.255.255.0"

current_gateway=`echo ${current_ip} | cut -f 1-3 -d "." | sed 's/$/\.254/g'`

echo ${current_ip}

echo ${current_netmask}

echo ${current_gateway}

else

echo '网卡非bond，非eth0,请手工检查'

exit 3

fi

}

obtain_ip_information