airport.sh

sudo ln -s /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport /usr/local/bin/airport

sudo airport -s

export BSSID=

networksetup -listallhardwareports

# example: en0
export INTERFACE=

sudo airport -z

sudo airport -cCHANNEL

sudo tcpdump "type mgt subtype beacon and ether src $BSSID" -I -c 1 -i $INTERFACE -w beacon.cap
sudo tcpdump "ether proto 0x888e and ether host $BSSID" -I -U -vvv -i en0 -w handshake.cap

tar -cvzf data.tar.gz handshake.cap beacon.cap