Hello, I have to make a calculator in shell script. But I get this error. Can someone help me please?
c.sh: 3: c.sh: i: not found
That's my code.
==========================================================================
#Calculator
i = "yes"
while [ $i="yes" ]
do
echo What operation would you like to perform:
echo ============================
echo 1: Addition,
echo 2: Subtraction
echo 3: Multiplication,
echo 4: Division
echo ============================
read math
case "$math" in
Addition)
echo "Enter first no:"
read num1
echo "Enter second no:"
read num2
result=`expr $num1 + $num2`
echo Answer: $result
break
;;
Subtraction)
echo "Enter first no:"
read num1
echo "Enter second no:"
read num2
result=`expr $num1 - $num2`
echo Answer: $result
break
;;
Multiplication)
echo "Enter first no:"
read num1
echo "Enter second no:"
read num2
result=$(expr "scale=2; $num1 * $num2" | bc)
echo Answer: $result
break
;;
Division)
echo "Enter first no:"
read num1
echo "Enter second no:"
read num2
result=$(expr "scale=2; $num1/$num2" | bc)
echo Answer = $result
break
;;
*)
echo Choose 1 to 4 only!!!!
break
;;
esac
done
echo "Do you want to calculate again? (y/n):"
read i
echo "Thank you for using this program"
exit 0
