#!/bin/sh

array=()
getEno(){
network_name=`ifconfig |awk '{print $1}'|grep :|awk -F: '{print $1}'`
# 按网卡名遍历
for net_name in ${network_name}
   do
       if [ ${net_name} = 'lo' ]
          then
              continue
       fi

       ifconfig_num=`ifconfig ${net_name}|grep 'IEEE'|wc -l`
       if [ ${ifconfig_num} -ge 1 ]
           then
                running_num=`ifconfig ${net_name}|grep RUNNING|wc -l`
                if [ ${running_num} -ge 1 ]
                    then
                        wireless_name=${net_name}
                        wireless_ip=`ifconfig ${wireless_name}|grep 'inet'|awk '{print $2}'|sed  -n '1p'`
                        array=("${array[@]}" ${wireless_name},${wireless_ip})
                    else
                        wireless_name=${net_name}
                        wireless_ip=`ifconfig ${wireless_name}|grep 'inet'|awk '{print $2}'|sed  -n '1p'`
                        array=("${array[@]}" ${wireless_name},${wireless_ip})
                fi
            else
                running_num=`ifconfig ${net_name}|grep RUNNING|wc -l`
                if [ ${running_num} -ge 1 ]
                    then
                        wired_name=${net_name}
                        wired_ip=`ifconfig ${wired_name}|grep 'inet'|awk '{print $2}'|sed  -n '1p'`
                         array=("${array[@]}" ${wired_name},${wired_ip})

                    else
                        wired_name=${net_name}
                        wired_ip=`ifconfig ${wired_name}|grep 'inet'|awk '{print $2}'|sed  -n '1p'`
                        array=("${array[@]}" ${wired_name},${wired_ip})
                fi
       fi
   done
}

getIpAddr() {
  getEno

  num=${#array[@]}

  if [ $num -ge 1 ];then

    echo -e "\033[035m******************************\033[0m"
    echo -e "\033[036m*   请选择本机真实IP地址(序号)   \033[0m"

      for ((i=0;i<${#array[@]};i++))
      do
      echo -e "\033[032m*      【$i】 ${array[i]}   \033[0m"
    done
    echo -e "\033[035m******************************\033[0m"

    input=""
    while :
    do
        read -r -p "*请选择配置文件的本机IP地址(序号): " input
      expr $input + 1 >/dev/null 2>&1

      if [ $? -ne 0 ];then
        echo "*请输入有效的序号:"
      else
        if [ $(($input)) -ge 0 ] && [ $(($input)) -lt $(($num)) ];then
             local_ip=${array[$input]}
           break
          else
          echo "请输入有效范围的序号:"
        fi
      fi
    done
  else
    echo -e "\033[31m*未设置网卡IP，请检查服务器环境！ \033[0m"
    exit 1
  fi
}

local_ip=''
getIpAddr
array=(${local_ip//,/ })
ip=''
num=${#array[@]}

 enp=${array[0]}
 echo $enp

 ip=${array[1]}
 echo $ip

　　效果：

shell获取网口和ip，选择网口Ip列表_ipad