查询ip归属地的shell脚本

#!/bin/bash
#Purpose: 查找ip地址所在地
ipp (){
exec < $1
while read a
do
sring=`curl -s "http://ip138.com/ips138.asp?ip=${a}&action=2"| iconv -f gb2312 -t utf-8|grep '' | awk -F '[<> ]+' '{print substr($7  
    ,7)}'`  
    echo $a $sring  
    done  
    }  
    case $1 in  
    -f)  
    shift  
    ipp $1  
    ;;  
    -i)  
    shift  
    sring=`curl -s "http://ip138.com/ips138.asp?ip=${1}&action=2"| iconv -f gb2312 -t utf-8 |grep '' | awk -F '[<> ]+' '{print substr($7,7)}'`  
    echo $1 $sring  
    ;;  
    *)  
    echo "[Help]  
    $0 need -f or -i  
    -f ------- argument is a file  
    -i ------- argument is a IP  
    [For example]:  
    $0 -f filename  
    $0 -i ipadress  
    "  
    ;;  
    esac