The script for checking if user is working (logged on) on console

#!/bin/sh	
#	
#check if user is logged on the console	
#	

if [ `who am i |awk '{print $2}'` = "console" ]	
 then	

        echo	
        echo "Okay, you are on the console so we can continue"	
        echo	
 else	
        echo	
        echo "Sorry, this script requires that you work from the console "	
        echo	
fi	

exit 0