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 ...

If you've been using PowerShell, then you know that one of the great things about it is the ability to take objects outputted from one cmdlet, easily send it to another cmdlet and have it know how to ...

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 ...

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. The function then used ...

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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 ...

PowerShell modules help IT professionals and business owners organize multiple scripts into a single, reusable package, making code easier to manage, share and maintain. While individual scripts work ...