choose-channel

 
#!/bin/bash
 
# This script will turn the AirPort on and off
# until the country code is different from "SY"
#
# author: Martin Bartos (f1lth@msn.com)
# modified: Szilveszter Molnar (mail@moszi.net)
 
 
if [[ $EUID -ne 0 ]]; then
echo " This script must be run as root" 1>&2
exit 1
fi
 
 
cont=1
 
 
while [[ $cont -ge 1 ]]; do
echo
log=`system_profiler SPAirPortDataType |grep "Supported Channels:" | cut -d "," -f 12`
 
 
if [[ $log != " 12" ]]; then
echo $log
echo -n " Restarting AirPort [$cont] ... "
sudo networksetup -setairportpower en0 off
sleep 6
sudo networksetup -setairportpower en0 on
sleep 2
let "cont+=1"
echo " DONE"
else
echo $log
echo " Happy Networking "
echo
cont=0
fi
done
exit 0