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 ...

Create PowerShell functions only for reusable code, not unnecessary script fragmentation. Avoid over-engineering small PowerShell scripts that become difficult to read and maintain. Keep PowerShell ...

If you've been building PowerShell scripts for a while now you've surely came across instances where you need to reuse a particular snippet of code. Rather than copying and pasting that snippet of ...

Editor's note: Adam Bertram originally wrote the article and Brien Posey expanded it. The PowerShell parameter is a fundamental component of most PowerShell scripts. Parameters make it possible to ...

In the last part of this series, we looked at defining a type for the output of our PowerShell tool. If you skipped that lesson, you should go back and read it first. I'll wait... Ok. Today we'll look ...

When PowerShell made its public debut in November 2006, and became available for all modern Windows versions early in 2007, it had already been knocking around in experimental and beta form for more ...

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 ...

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 ...