Intermediate
For those who have mastered the basics and are ready to level up.
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When using PowerShell’s Invoke-Command, the -ArgumentList parameter is your best buddy for passing arguments to remote commands. This post dives into how it works, when to use it, and some common pitfalls—sprinkled with wisdom from the trenches and community chatter.
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Enhance your PowerShell scripts with robust parameter validation. This article explores various validation attributes and techniques to ensure input data meets specific criteria before execution. Learn about required parameters, value ranges, pattern matching, and custom validation to make your scripts more reliable.
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If you’ve ever found yourself overwhelmed by the sheer number of parameters in your PowerShell commands, splatting might just be the solution you need. Splatting is a powerful feature in PowerShell that allows you to bundle parameters into a single variable, making your scripts cleaner and more readable.
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Running a function inside a remote session or ForEach-Object -Parallel can be tricky because the function isn’t available on those computers or sessions. While copying the function’s contents into the scriptblock is an option, it requires revisiting the script whenever the function changes—not the best approach.
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The tale of the missing property and Register-PSRepository.
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Ever had a script which contains an array and a foreach loop? And then you want to test the content of the foreach, but only with one entry for troubleshooting purposes for example.
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In a previous blog I wrote about PowerShell’s common parameters, today I dive into another aspect of parameters in functions, namely Parameter Sets. Parameter sets allow you to define different sets of parameters for a single function, this helps creating clearer and more intuitive functions. What Are PowerShell Parameter Sets? Parameter sets allow you to define different parameter groupings for a function or cmdlet. These groupings, or “sets,” mean that certain parameters can only be…
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PowerShell’s common parameters are a set of parameters that are automatically available to all cmdlets and advanced functions. These parameters provide a consistent way to control the behavior of cmdlets and functions, making it easier to manage and debug scripts. In this post, we will look at the most commonly used common parameters and how to use them.
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In this blog post, we’ll delve into the nuances of four fundamental PowerShell commands: **Break, Return, Continue, and Exit**. Each of these commands serves a unique purpose in controlling the execution flow of your scripts, whether it’s exiting loops, returning values, or terminating scripts.
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PowerShell has a number of built-in variables that can be used for all sorts of things. One of these variable is $MyInvocation. It is useful when you need detailed information about the context in which a script or function is being executed.