Don’t copy and paste the same code over and over again. Instead, create a PowerShell function and save yourself time.

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 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 ...

The next time you need to wait on a step in your script, don't just add a delay. Instead, use a Wait-Action function to wait just the right amount of time. A script is all about defining a set of ...

Don Jones, TechMentor presenter and cochair, discusses some of his observations on how people are using PowerShell, and how they could do a better job. If you ever need to know more about PowerShell, ...

For this article, I thought it would be beneficial to go back to some basics of shell scripting and look at how functions work. Most script writers probably eschew using functions because it's a bit ...

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 ...

Once you’ve gained a solid understanding of Linux and mastered the various commands available, your next big win comes in the form of shell functions. Code wrapped in a function can be reused by your ...