curl and popen2

[lists04 at gmail.com]

Hi,

I have a problem with a curl request and running it under popen2.

If I run this request from the command line:
curl -i http://www.yahoo.com/test --stderr errfile
(also tried redirecting stdderr to a file 2>, nothing) the file errfile
is empty indicating no error with the request.

However, when I do something similar in python:
>>> cmd="curl -i http://www.yahoo.com/test"
>>> output, input, err = popen2.popen3(cmd)
>>> error = err.readlines()
>>> error
['  % Total    % Received % Xferd  Average Speed          Time
Curr.\n', '                                 Dload  Upload Total
Current  Left    Speed\n', '\r100   981    0   981    0     0  24525
0 --:--:--  0:00:00 --:--:-- 24525\r100  2484    0  2484    0     0
62100      0 --:--:--  0:00:00 --:--:-- 1467k\n']

I looked in the man page for curl, it doesnt say that it writes some
bandwidth statistics to stderr. Am I missing something or is this
better directed to some other newsgroup? 

TIA

Hari