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 need multiple functions to accomplish your goal, then add those into a module. Proper Naming of a Function Take a look at all of the core PowerShell cmdlets and you will noticed something right ...

The PowerShell Blacksmith Part 4: Fine-Tuning Functions. Part 4 takes the function created last time and adds a validation attribute. By Jeffery Hicks; 10/15/2013; In the last article we finished ...

PowerShell can save you a lot of time on Windows admin tasks, but to use it effectively you need to understand how it works. Here's a crash course in Windows PowerShell scripting basics to get you ...

Do these practices to make PowerShell even more efficient. When creating functions, follow a consistent naming pattern, such as starting with a verb (e.g., Get, Set, Start) and using nouns to ...

That's pretty much the right way. Though I'd recommend you function it and put the function in your start script. Here's a working example: ...

The PowerShell Get-WindowsFeature command—or, more properly, cmdlet—can retrieve a list of Windows features, including server roles, that are installed on a server or workstation running ...

ForEach-Object has two aliases — ForEach and % — and supports shorthand syntax beginning in PowerShell 3.0. The following three examples are identical in function even though the name of the loop ...

In Part 1 of this series, I showed you an example of PowerShell's native validation capabilities. In that installment, I wrote a function that accepted a text string as input.