[bash] show mac address

[frog]

Code: (bash) [Select]

#!/bin/bash
##
### showmac.sh - display mac address
##
#
export MACADDR
export IFACE

if [ -z $1 ]
  then
    echo "Usage: $0 <interface>"
    echo " Example: $0 wlan1"
    exit
fi

IFACE=$1
MACADDR=`ifconfig $IFACE | grep "HW"`

echo ${MACADDR:38:18}