On 12/25/2014 12:06 PM, Kevin Fenzi wrote:
On Thu, 25 Dec 2014 11:54:48 -0500
"Garry T. Williams" <gtwilliams@xxxxxxxxx> wrote:
Aw, it's not that hard. You just want to pick out any line with one
of several words in it. Good old grep(1) will do it no problem. I
suppressed stderr from the iwlist(8) command so the error message
about interface lo doesn't show up. Also, the original grep(1)
command doesn't allow for alternation (|), so I use grep -E or egrep:
$ iwlist scan 2>/dev/null|egrep 'Channel|Quality|ESSID|Cell'
Cell 01 - Address: 00:30:BD:93:E9:2C
Channel:4
Frequency:2.427 GHz (Channel 4)
Quality=53/70 Signal level=-57 dBm
ESSID:"vfr"
Cell 02 - Address: EC:1A:59:07:3D:46
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=32/70 Signal level=-78 dBm
ESSID:"belkin.d46"
$
It looks like substituting "Frequency" for "Channel" will eliminate a
line of output without losing what you say you want on each AP.
There's also nmcli for a more compact output, but not sure it has all the info
you might need:
% nmcli device wifi list
SSID MODE CHAN RATE SIGNAL BARS SECURITY
xfinitywifi Infra 11 54 Mbit/s 25 ▂___ --
HOME-C072 Infra 11 54 Mbit/s 30 ▂___ WPA1 WPA2
xfinitywifi Infra 1 54 Mbit/s 24 ▂___ --
Now this is something more like I have been looking for!
You have 2 APs on channel 11, get one of them to move to channel 6 for
better sharing the open range! :)
Interesting that xfinity is running open APs.
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