Odd even in shell script

# HOW TO FIND A NUMBER IS EVEN OR ODD IN SHELL SCRIPT
clear 
echo "---- EVEN OR ODD IN SHELL SCRIPT -----"
echo -n "Enter a number:"
read n
echo -n "RESULT: "
if [ `expr $n % 2` == 0 ]
then
	echo "$n is even"
else
	echo "$n is Odd"
fi

Source: tutorialsinhand.com

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