Homework Answers

2. Write a script that will accept the sides of a triangle, let them be “a”, “b”, “c”. Based on these variable values determine if the triangle is right angled or not, by using Pythagoras theorem. Hint: if c2 = a2 + b2 then the given sides are right angled triangle else not a right-angled triangle.

3. Write a script that should prompt a user to enter his\her hourly rate, number of hours per day, number of days per week and number of weeks per year. Then the system computes the annual income. Hint: Boyce earns P35 per hour at his job. What would be his annual income be if he works 8 hours per day, 5 days per week, and 50 weeks per year .

1. The university with departments deals with Management Information System and Assessment Department. The school asked you to create 2 files that can be used to store student details and marks. A. Write a script called Student.sh that will accept the following student details: studentID, StudentName, ContactNo and Email. The program should add records to StudentDetails.txt under each heading, at the end of each record the program should prompt you if you want to add more records, if yes it should allow you to continue adding the records.

B. Write a shell script called Grading.sh that accept StudentID and Student Marks and student are graded using this grading criteria: 80 and above, Distinction, 79-60, Merit, 59 -50, Pass, 49-40, Supplement and 39 and below, Fail. The program should add the records to StudentGrades.txt.