airport.sh

#!/bin/bash

# Usage:
#   airport off
#   airport on
#   airport reset

# get current wifi device
CURRENT_DEVICE=$(networksetup -listallhardwareports | awk '$3=="Wi-Fi" {getline; print $2}')
echo "Current Wi-Fi Device: '$CURRENT_DEVICE'"

# turn wifi on/off
function power {
  networksetup -setairportpower $CURRENT_DEVICE $1
}

if [ $1 == "reset" ]
then
  power "off"
  sleep 2
  power "on"
else
  power $1
fi