Question: Write a shell script called addtwo.sh to read in two numbers from the keyboard and print their sum. The output should consist of a line

Write a shell script called addtwo.sh to read in two numbers from the keyboard and print their sum. The output should consist of a line showing the equation used to calculate the sum (e.g., 4 + 5 = 9). [Hint: see read, echo and let]. Use bash. Must also validate that the input is not null.

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

1) Write a shell script called addtwo.sh to read in two numbers from the keyboard and print their sum. The output should consist of a line showing the equation used to calculate the sum (e.g., 4 + 5...

linux prj3_passwd : u1142478:x:502:66:Sondos_Awashra:/home/students/comp311/u1142478:/bin/csh u1150129:x:503:66:Mohammad_Kahala:/home/students/comp311/u1150129:/bin/bash...

linux prj3_passwd data : u1142478:x:502:66:Sondos_Awashra:/home/students/comp311/u1142478:/bin/csh u1150129:x:503:66:Mohammad_Kahala:/home/students/comp311/u1150129:/bin/bash...

linux no more info prj3_passwd : u1142478:x:502:66:Sondos_Awashra:/home/students/comp311/u1142478:/bin/csh u1150129:x:503:66:Mohammad_Kahala:/home/students/comp311/u1150129:/bin/bash...

Please write a perl script, searchtwo.pl, that will search a given data file for a given pattern . Both the search pattern and the search file name should be obtained from the prompted inputs $...

In C++ please. Assignment 4 This assignment is the first in a sequence of three. It is not strictly necessary to complete this one in order to do the other two, but the understanding you gain in...

This assignment is the first in a sequence of three. It is not strictly necessary to complete this one in order to do the other two, but the understanding you gain in completing this assignment will...

l. Introduction In this programming assignment, you will create a front end that is, a scanner and a parserfor the intermediate representation, ILOC, that will be used as input in the next two...

ou will work with structs and linked lists to maintain a university's course catalog, as well as an individual student's transcript. This is an individual programming assignment. Your program will:...

You attended the planning meeting with all stakeholders of FHS. Which of the followings is not one of the primary aims of this business analysis study? a) to meet the new business needs of the...

What is the purpose of adjusting entries? Discuss.

Financial statements / reports are interconnected. 1 ) What accounts are both on the income statement and statement of owner's equity? 2 ) What accounts are both on the balance sheet and statement of...