$ iw dev IFACE scan | egrep "SSID|signal" | awk -F ":" '{print $2}' | sed 'N;s/\n/:/' | sort
June 16, 2018, 5:37 a.m.
—
kazatca
Explanation
iw dev IFACE scan
get info about scanned APs
egrep "SSID|signal"
take only name and signal
awk -F ":" '{print $2}'
cut labels of fields
sed 'N;s/\n/:/'
join couples to single line
sort
sort by signal asc
IFACE
- wifi interface (like wlan0)