#!/bin/bash

Pno=50000
for ((i=1;i<=5000;i++)) ;
do
    Pno=`expr $Pno + 1`
     echo '=======' >> 1.log
     echo $Pno >> 1.log
     date >> 1.log
     curl -o /dev/null --local-port $Pno -s -w %{time_namelookup}::%{time_connect}::%{time_starttransfer}::%{time_total}::%{time_appconnect}"\n"   curl -o /dev/null -s -w %{time_namelookup}::%{time_connect}::%{time_starttransfer}::%{time_total}::%{time_appconnect}"\n"   https://www.aliyun.com/ >> 1.log
     date >>1.log
         sleep 2
done