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Subject: Re: iwlist scanning: how to exclude old scan results from output?
From:   Johannes Berg <johannes@sipsolutions.net>
To:     Bruno Dantas <dantas@airpost.net>, linux-wireless@vger.kernel.org
Date:   Thu, 28 May 2020 18:38:50 +0200
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On Thu, 2020-05-28 at 11:48 -0400, Bruno Dantas wrote:
> I hope it's not too inappropriate to ask a support question here. I've
> tried at my distro's forum to no avail.
> 
> Please, how do I make "sudo iwlist <iface> scanning" display only
> results from current scan? Cached prior scan results (including no-
> longer-available hotspots) often show up in the output, which breaks
> one of my shell scripts.

You cannot.

You should use 'iw' instead of 'iwlist', which does have options for
flushing the cache.

johannes