获取本机IP地址的小脚本

获取本机私网地址（1个）

#!/bin/bash
# Author      : standby
# Date        : 2017-05-18
# Description : Get private ip address of local machine.

arr=(`/sbin/ifconfig -a|grep inet|grep -v 127.0.0.1|grep -v inet6|awk '{print $2}'|tr -d "addr:"`)
#private_ip=${arr[0]}
private_ip='0.0.0.0'

for ip in ${arr[*]};
do
    ip_tmp=`echo $ip | grep '^10.'`
    if [[ ! -z $ip_tmp ]];then
        private_ip=$ip_tmp
        break
    fi
done
[[ $private_ip == "0.0.0.0" ]] && echo "No private ip found!" || echo $private_ip

获取本机公网地址（1个或多个）

#!/bin/bash
# Author      : standby
# Date        : 2017-05-18
# Description : Get all public ip address of local machine.

arr=(`/sbin/ifconfig -a|grep inet|grep -v 127.0.0.1|grep -v inet6|awk '{print $2}'|tr -d "addr:"`)
#public_ip=${arr[0]}
public_ip='0.0.0.0'

for ip in ${arr[*]}
do
    ip_tmp=`echo $ip | grep -v '^10.'`
    if [[ ! -z $ip_tmp ]];then
        public_ip=$public_ip$ip_tmp","
        #break
    fi
done
if [[ $public_ip == "0.0.0.0" ]]
then
    echo "No public ip found!"
else
    pub_arr=(`echo $public_ip |sed 's/0.0.0.0//g' |tr ',' '
'`)
    for ip in ${pub_arr[*]}
    do
        ip_tmp=`echo $ip | grep -vE '^192.|^172.'`
        [[ ! -z $ip_tmp ]] && echo $ip_tmp
    done
fi