Casper Stekelenburg
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Switch statements in PowerShell are like the Swiss Army knife of control flow – they can handle multiple conditions with the elegance of a ballet dancer and the efficiency of a German engineer. Think of them as the sophisticated cousin of the if-else statement who went to college, learned multiple languages, and now works at […]
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Dot sourcing is like the PowerShell equivalent of borrowing your neighbor’s tools – except instead of forgetting to return them, you get to keep everything permanently in your workspace. It’s a powerful feature that allows you to run a script in the current scope rather than in a new, child scope, making all its goodies […]
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PowerShell Remoting lets you run commands, gather inventory, and automate fixes across dozens—or hundreds—of systems from one console. In this guide you’ll enable remoting safely, run one‑off commands with Invoke-Command, build persistent sessions for faster workflows, push scripts, move files, and troubleshoot connectivity like a pro. If you manage Windows servers or mixed environments, mastering these patterns will cut tedious RDP hops, standardize execution, and boost reliability—while keeping security (WinRM, auth, firewall, encryption) front and…
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One of PowerShell’s most powerful features is its pipeline system. The pipeline allows you to send output from one command directly to the input of another command, creating efficient and elegant solutions to complex problems. In this guide, we’ll explore how to master PowerShell’s pipeline to write more efficient and readable scripts. What is the […]
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Master everyday file and directory tasks in PowerShell with a practical toolkit: navigate with Set-Location (cd/$pwd), explore with Get-ChildItem (filters, recursion, attributes), create with New-Item, and manage with Copy-Item, Move-Item, and Remove-Item. Learn safe patterns using Test-Path, -WhatIf, and Join-Path, plus real-world scripts for backups, temp cleanup, organizing files by extension, and detecting duplicates. The article also covers error handling and cross-platform path practices to keep automation reliable.
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PowerShell provides a rich set of comparison operators that are essential for decision-making in scripts. These operators allow you to compare values, filter data, and create conditional logic that makes your scripts more intelligent and responsive. In this guide, we’ll explore the most commonly used comparison operators and see them in action. What are Comparison […]
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Error handling is a crucial aspect of writing robust PowerShell scripts. When things go wrong—and they will—proper error handling helps your scripts gracefully manage problems, provide meaningful feedback, and continue operating when possible. In this guide, we’ll explore PowerShell’s error handling mechanisms and learn how to write more resilient scripts.
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In our previous article, we explored the fundamentals of PowerShell modules – what they are, why to use them, and how to create basic modules. Now, let’s dive deeper into advanced module development techniques, best practices for keeping your code clean and structured, and professional-grade module development workflows. This continuation will help you transform from a module user to a module architect, capable of building robust, maintainable, and professional PowerShell modules.
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PowerShell modules are fundamental for creating scalable and reusable scripts. They offer a structured approach to package, share, and manage collections of PowerShell code, including functions, cmdlets, and variables. This guide delves into the essentials of PowerShell modules, explaining what they are, the different types available, and why they are indispensable for any PowerShell user, from automating system administration to developing toolsets for team collaboration.
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Need to know which parameters were actually passed to your function? $PSBoundParameters has you covered. It’s a built-in dictionary that only includes parameters explicitly provided by the caller. This makes it perfect for clean logic, dynamic behavior, or smart defaults—no need to check for $null or rely on default values. If a key exists in $PSBoundParameters, you know the user meant to pass it.