Scanner to identify which of your basestations you are connected to for roaming fast switch analysis

basescan.sh

#!/usr/bin/env sh

# macos base station scanner to analyze fast roaming, rssi, etc.

AIRPORT_CMD="/System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport -I"

if [ "$(whoami)" != "root" ]
then
	sudo "$0"
	exit
fi

while true; do
	#BS=$($AIRPORT_CMD | grep BSSID | sed -n -e 's/^.*BSSID: //p' | tr '[A-Z]' '[a-z]')
	OUTPUT=$($AIRPORT_CMD)
	BSSID=$(echo "$OUTPUT" | grep BSSID | sed -n -e 's/^.*BSSID: //p' | tr '[A-Z]' '[a-z]')
	RSSI=$(echo "$OUTPUT" | grep agrCtlRSSI | sed -n -e 's/^.*RSSI: //p')
	NOISE=$(echo "$OUTPUT" | grep agrCtlNoise | sed -n -e 's/^.*Noise: //p')
	# change MAC addresses below to match your access point wireless MAC addresses
	case $BSSID in
		76:83:c2:9b:68:fb) BS=den ;;
		7a:bc:de:f1:23:45) BS=kitchen ;;
		7a:bc:de:f1:23:45) BS=bedroom ;;
		7a:bc:de:f1:23:45) BS=porch ;;
		7a:bc:de:f1:23:45) BS=basement ;;
		*) BS="$BSSID (unknown)" ;;
	esac
	clear
	echo "$BS ($RSSI/$NOISE)"
	sleep 0.5
done