When you first start writing scripts, modularity, reusability, and best practices may not be top of mind. As your scripts become more complex, however, creating reusable elements becomes essential. By ...

Let’s do some examples to see how these functions work. We will start with a very simple one. Let’s separate the username and the domain name from a list of emails. See below for the dataset we will ...

Once you’ve gained a solid understanding of Linux and mastered the various commands available, your next big win comes in the form of shell functions. Code wrapped in a function can be reused by your ...

whatever is a dummy variable that you can replace with other variables. Be sure to indent the statements to repeat in the loop. We need to have at least one condition to implement the loop and make ...