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        : --
 # 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[]}
 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        : --
 # 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[]}
 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 ',' '\n'`)
     for ip in ${pub_arr[*]}
     do
         ip_tmp=`echo $ip | grep -vE '^192\.|^172\.'`
         [[ ! -z $ip_tmp ]] && echo $ip_tmp
     done
 fi