从一个文件读取数据，按行列分析出来

#!/bin/bash
#for.sh


for i in `cat ./ip.txt`; 
do
    ip=`echo $i|awk -F: ‘{print $1}‘`
    num=`echo $i|awk -F: ‘{print $2}‘`
    echo $ip
    sleep 1
    echo $num
    sleep 1

done