Can you get more information about the online file?
<p>I have a online file: <a href="http://dl_dir.qq.com/qqfile/tm/TM2009Beta_chs.exe" rel="nofollow">http://dl_dir.qq.com/qqfile/tm/TM2009Beta_chs.exe</a> ,please donot download it, i want to determine the software version  whether is changed, so i want more information about it. for example, using python,i can get this:</p>

<pre><code>import urllib2,urllib
req = urllib2.Request('http://dl_dir.qq.com/qqfile/tm/TM2009Beta_chs.exe')        
response = urllib2.urlopen(req)
print response.info()
print response.geturl()

Content-Length: 16868680
Server: qqdlsrv(1.84 for linux)
Connection: close
Content-Disposition: attachment; filename=TM2009Beta_chs.exe
Accept-Ranges: bytes
Content-Type: application/octet-stream

http://dl_dir.qq.com/qqfile/tm/TM2009Beta_chs.exe
</code></pre>

<p>Can you get more imformation to let me determine the software version is changed?</p>
