Swich_Case_OS_Script

i=1
echo "--------------------"
echo "Enter the Values A And B"
echo "--------------------"

while [ $i=1 ]
do
echo "Enter Value A :"
read a
echo "--------------------"
echo "Enter Value B :"
read b
echo "--------------------"

echo "--------------------"
echo "1. Addition"
echo "2. Subtarction"
echo "3. Multiplcation"
echo "4. Divsion"
echo "--------------------"

echo "Enter Your Option :"
read ch

case $ch in

	1) echo "Addition"
		c=$(echo "scale=2;$a + $b"|bc)
		echo "--------------------"
		echo "Addition is : "$c
		echo "--------------------"
	;;

	2) echo "Subtraction"
		c=$(echo "scale=2;$a - $b"|bc)
		echo "--------------------"
		echo "Subtraction is : "$c
		echo "--------------------"
	;;

	3)echo "Multiplcation"
		c=$(echo "scale=2;$a * $b"|bc)
		echo "--------------------"
		echo "Multiplcatio is : "$c
		echo "--------------------"
	;;

	4)echo "Divsion"
		c=$(echo "scale=2;$a / $b"|bc)
		echo "--------------------"
		echo "Divsion is : "$c
		echo "--------------------"
	;;

	*) echo "Please enter some option"
	;;

esac

echo "Enter 2 to Exit :"
read i
if [ $i -ne 1 ]
then
	exit
fi
done