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 ...

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 ...

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 ...

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 ...

Are all of the default PowerShell cmdlets exactly the way you like them to be? Do they have all of the parameters you think should be standard and have no extras? Probably not. We all have our quirks ...

Scripts are part of the foundation for efficient network administration. Network administrators are generally not programmers, but they need tools that will let them automate certain tasks and ...

Microsoft says Windows PowerShell now warns when running scripts that use the Invoke-WebRequest cmdlet to download web ...

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 ...