#获取两个ip地址表的相同ip

for i in `cat ip_117`; 
do   
    ss=0;
    for a in `cat ip_99`;
    do 
        if [ $a = $i ];then   
           ss=1; 
        fi;
    done
      
    if [ $ss -eq 0 ];then
       echo $i;
    fi;
done