Question

QUESTION 16 Write the Shell script that prompts the user to choose an arithmetic calculation and output the result. 1 - addition 2 - subtraction 3 - multiplication 4 - division 0 - Exit The two input numbers are the external arguments that pass into the program when the program is run, e.g. user$> bash math.sh 4 5 // running shell file Sample output: Addition of 4 and 5 is 9 // if 1-Addition is chosen For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).

          QUESTION 16
Write the Shell script that prompts the user to choose an arithmetic calculation and output the result.
1 - addition
2 - subtraction
3 - multiplication
4 - division
0 - Exit
The two input numbers are the external arguments that pass into the program when the program is run, e.g.
user$> bash math.sh 4 5
// running shell file
Sample output:
Addition of 4 and 5 is 9
// if 1-Addition is chosen
For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).

QUESTION 16
Write the Shell script that prompts the user to choose an arithmetic calculation and output the result.
1 - addition
2 - subtraction
3 - multiplication
4 - division
0 - Exit
The two input numbers are the external arguments that pass into the program when the program is run, e.g.
user> bash math.sh 4 5
// running shell file
Sample output:
Addition of 4 and 5 is 9
// if 1-Addition is chosen
For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).

Added by Samantha H.

Computer Science and Information Technology

Trishna Knowledge Systems 2018 Edition

Instant Answer

Solved by Expert James Kiss

Step 1

Let's call it math.sh. Open your favorite text editor and write the following script: ```bash #!/bin/bash # Check if two arguments are passed if [ $# -ne 2 ] then echo "Please provide two numbers" exit 1 fi # Get the numbers num1=$1 num2=$2 # Show the Show more…

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QUESTION 16 Write the Shell script that prompts the user to choose an arithmetic calculation and output the result. 1 - addition 2 - subtraction 3 - multiplication 4 - division 0 - Exit The two input numbers are the external arguments that pass into the program when the program is run, e.g. user$>bash math.sh 45 running shell file Sample output: Addition of 4 and 5 is 9 //if 1 - Addition is chosen For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac)