Calculator.sh

Rohit-Rannavre · web-flow · commit 9cb5624b8a8b · 2021-01-14T10:46:05.000+05:30
This scripts evaluates two based on the user input and the user choice.
diff --git a/calculator.sh b/calculator.sh
@@ -0,0 +1,36 @@
+#!/bin/bash
+
+#This is a simple script to calculate two numbers.
+
+# Taking  user input
+
+echo "Enter two numbers: "
+read a
+read b
+
+#input type of operation
+
+echo "Enter your choice: "
+echo "1. Addition"
+echo "2. Substraction"
+echo "3. Multiplication"
+echo "4. Division"
+read ch
+
+#Acting on the user input
+
+case $ch in
+   1) res=`echo $a + $b | bc`
+   ;;
+   2) res=`echo $a - $b | bc`
+   ;;
+   3) res=`echo $a \* $b | bc`
+   ;;
+   4) res=`echo "scale=2; $a / $b" | bc`
+   ;;
+esac
+
+#Printing result
+echo "Result: $res"
+
+
