For this assignment, you will use bash create a simple course catalog for administrators to update the

details of each course offered by their department. The system will store basic information about each

course, allowing the user to create, read, update, and delete them.

This assignment requires only the utilities used so far in the lecture notes. $**$Do not use sed, awk!!$**$

D: delete an existing course

$($a$)$ Prompt the user for a string representing the course department and number $($e$.$g$.,$cs

$3424)$:

Enter a course department code and number:

$($b$)$ Delete the specified course$$s file.

$($c$)$ Update data$/$queries$.$log by adding the following line:

$[$date $]$ DELETED: dept$\_$code course$\_$num course$\_$name

where date is the output from the date command and dept$\_$code, course$\_$num, and

course$\_$name are the corresponding values.

$($d$)$ Print the following message to stdout with the course$$s number:

course number was successfully deleted.

$($e$)$ If the course is not found, print the following error instead and continue with the script.

ERROR: course not found