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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