Posey's Tips & Tricks. How To Validate Input in PowerShell Functions, Part 1. If your automated script takes action based on a value, it's critical to make sure the value is correct.

If you are building PowerShell longer than a few lines, it is good practice to break up your code into reusable snippets. This way you can only call the code snippet over and over instead of ...

In-Depth. How To Build a Better PowerShell Test-Connection Function with Proxy Commands. It's easier to modify an existing cmdlet to your needs than writing one from scratch.

Basic PowerShell functions. Basic PowerShell functions are straightforward and lack advanced features. They are declared using the function keyword, followed by a set of curly braces: function ...