If your automated script takes action based on a value, it's critical to make sure the value is correct. Good thing PowerShell has ways to validate the values that are passed to a function. In recent ...

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 ...

PowerShell modules allow you to combine multiple scripts to simplify code management. Learn step-by-step instructions for creating and using these modules.

In the last lesson we started learning how to forge our own PowerShell tools. I started with a simple need, calculate the median and range for a set of numbers. Now that we know how to do it from the ...

Scripts are part of the foundation for efficient network administration. Network administrators are generally not programmers, but they need tools that will let them automate certain tasks and ...

One of the most difficult things about PowerShell scripting is finding and fixing any bugs that exist within the script. This process isn't usually a big deal for short PowerShell scripts, but it can ...

Last month, I explored exit codes and how decent error correction in your shell scripts always should include testing the value of $? after each meaningful command ...