pass1.txt

curl -o /tmp/x.gz -v  http://cpan.metacpan.org/authors/id/P/PE/PERLANCAR/CHECKSUMS
*   Trying 23.235.47.192...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0* Connected to cpan.metacpan.org (23.235.47.192) port 80 (#0)
> GET /authors/id/P/PE/PERLANCAR/CHECKSUMS HTTP/1.1
> Host: cpan.metacpan.org
> User-Agent: curl/7.43.0
> Accept: */*
> 
< HTTP/1.1 200 OK
< Server: nginx/1.6.2
< Content-Type: application/octet-stream
< Last-Modified: Wed, 01 Jul 2015 04:53:06 GMT
< ETag: "55937232-3f1a5"
< Via: 1.1 varnish
< Content-Length: 258469
< Accept-Ranges: bytes
< Date: Wed, 01 Jul 2015 05:03:00 GMT
< Via: 1.1 varnish
< Age: 0
< Connection: keep-alive
< X-Served-By: cache-lcy1131-LCY, cache-sjc3127-SJC
< X-Cache: MISS, MISS
< X-Cache-Hits: 0, 0
< X-Timer: S1435726980.676271,VS0,VE166
< 
  0  252k    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0{ [2880 bytes data]
100  252k  100  252k    0     0   144k      0  0:00:01  0:00:01 --:--:--  144k
* Connection #0 to host cpan.metacpan.org left intact

pass2.txt

curl -o /tmp/x.gz -v  http://cpan.metacpan.org/authors/id/P/PE/PERLANCAR/CHECKSUMS
*   Trying 23.235.47.192...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0* Connected to cpan.metacpan.org (23.235.47.192) port 80 (#0)
> GET /authors/id/P/PE/PERLANCAR/CHECKSUMS HTTP/1.1
> Host: cpan.metacpan.org
> User-Agent: curl/7.43.0
> Accept: */*
> 
  0     0    0     0    0     0      0      0 --:--:--  0:00:01 --:--:--     0< HTTP/1.1 200 OK
< Server: nginx/1.6.2
< Content-Type: application/octet-stream
< Last-Modified: Wed, 01 Jul 2015 04:53:06 GMT
< ETag: "55937232-3f1a5"
< Via: 1.1 varnish
< Content-Length: 258469
< Accept-Ranges: bytes
< Date: Wed, 01 Jul 2015 05:03:07 GMT
< Via: 1.1 varnish
< Age: 0
< Connection: keep-alive
< X-Served-By: cache-lcy1125-LCY, cache-sjc3132-SJC
< X-Cache: MISS, MISS
< X-Cache-Hits: 0, 0
< X-Timer: S1435726986.309375,VS0,VE1392
< 
  0  252k    0     0    0     0      0      0 --:--:--  0:00:01 --:--:--     0{ [54 bytes data]
100  252k  100  252k    0     0    188      0  0:22:54  0:22:53  0:00:01   273
* Connection #0 to host cpan.metacpan.org left intact