wifi connection script

#!/bin/bash

ok () {
  echo -e '\e[32;1m[  OK  ]\e[0m'
}

fail () {
  echo -e '\e31;1m[ Fail ]\e[0m'
}

connect () {
  echo -n 'Resetting interface... '
  ifconfig wlan0 down
  sleep 3
  ifconfig wlan0 up
  ok
  echo -n 'Connecting... '
  wpa_supplicant -Dwext -iwlan0 -B -c /home/gluk47/wpa_supplicant.conf || { fail; return 1; }
  ok

  echo -n 'Running dhclient... '
  if dhclient wlan0; then
    ok
  else
    fail
    return 1
  fi
}

connected () {
  ping -c1 8.8.8.8 &>/dev/null
}

setup_network () {
  date
  connected && { echo 'Already connected'; return 0; }
  connect
  connected && { echo Connected; return 0; }
  echo -n 'Reloading wifi module... '
  rmmod iwldvm
  rmmod iwlwifi
  sleep 1
  modprobe iwlwifi
  ok
  connect
}

while :; do
        connected || setup_network
        sleep 5
done