Video
Parsing Command Line Options with getopts, Part 1
Shell scripting concepts covered in this lesson:
How to accept and parse command line options.
Why getopts is better than using an if or case statement.
Performing mathematical calculations in your scripts.
Using the basic calculator: bc.
Skills that you will get in this material
External link:
https://www.udemy.com/course/linux-shell-scripting-projects/