wifi.sh

# Author: Felipe Wagner
# 
# Have a Mac?
# Do you spend all day in terminal?
# Well, then u are just like me.
# 
# Just add this little script into your .bash_profile, and then type:
# wifi (on|off) .... and done, all your airport interfaces will turn on/off
#
# v3: wifi (on|off) [interface]
# v2: All airport/wifi interfaces disable at the same time
# v1: Initial version
#
function wifi(){
	_interface=`networksetup -listallhardwareports | grep -E '(Wi-Fi|AirPort)' -A 1 | grep -o "en."`
	_opt=$1
	if test "x${_opt}" = "x" ; then
		echo "$FUNCNAME (on|off)"
		return 1
	elif test "${_opt}" = "on" -o "${_opt}" = "off" ; then
		for in in $_interface ; do
			networksetup -setairportpower $in $_opt
		done
	fi
}