checkIfIsWireless() - Network Wizard - Puppylinux

checkIfIsWireless ()
{
  INTERFACE="$1"
  IS_WIRELESS=""
  INTMODULE=$(readlink /sys/class/net/$INTERFACE/device/driver)
  INTMODULE=${INTMODULE##*/}

  if [ -d "/sys/class/net/$INTERFACE/wireless" ] || \
     [ "$INTMODULE" = "prism2_usb" ] || \
     grep -q "$INTERFACE" /proc/net/wireless
  then IS_WIRELESS="yes" ; return 0
  fi
  return 1
}