#! /bin/sh

HOSTNAME=$(hostname)
IP=$(hostname -I)
MAC=$(cat /sys/class/net/eth0/address)

echo "Device Information:" > file.txt
echo ">HOST:" >> file.txt
echo "  $HOSTNAME" >> file.txt
echo ">IP:" >> file.txt
echo "  $IP" >> file.txt
echo ">MAC:" >> file.txt
echo "  $MAC" >> file.txt

exit 0