ethtool_query2.sh

# !/bin/sh

# Check if script is ran as root user
if [ $(whoami) != "root" ]; then
  echo "You need to run this script as root user or do 'sudo $0'."
  exit 1
fi

# Prints MAC Address and status of each ethernet interface.
for INTERFACE in $(ifconfig -a | grep eth | awk '{print $1}'); do
  echo "$INTERFACE $(ifconfig $INTERFACE | grep -i hwaddr* | awk '{print $5}') $(ethtool $INTERFACE | grep -i "link detected")"
done