On 09.08.19 18:06, Peng Yu wrote:
> Hi,
> 
> I just want to retrieve the response header instead of the response body.
> 
> Does `wget -q -O /dev/null -S -o- url` still download the response
> body, but then dump it to /dev/null? Or wget is smart enough to know
> the destination is /dev/null so that it will not download the response
> body at all? Thanks.

/dev/null is just a another file.

Try with --spider. It will send a HEAD request instead of a GET request
- thus no body is downloaded. The server just serves the header as if it
was a GET request.

Regards, Tim

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