No Content-Length header, nor length property

Jon Ribbens jon+usenet at unequivocal.co.uk
Wed Jul 8 12:00:14 CEST 2015


On 2015-07-08, zljubisic at gmail.com <zljubisic at gmail.com> wrote:
> Why I can't get the size of this particular file?
> On other servers, the same procedure would return file size in
> bytes, but not for this file?
>
> Does it depend on server itself, or there is a way to get remote
> file size before downloading?

Yes, it depends on whether the server sends a Content-Length header,
and no, if the server does not send the header then there is no way
to determine the file size without downloading it all.


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