Stylish PowerShell Errors
Before we leave the topic of error handling and PowerShell errors, at least for now, I want to highlight some PowerShell 7 features on the subject. For the...
Structured Error Handling
Over the last few articles, I've been teaching you about PowerShell's error system and how to handle errors properly. The worst thing you can do is pretend...
Catch Them All PowerShell
Welcome back. Last time we started looking at how to use Try/Catch in your PowerShell scripts to handle errors better. And you want to handle them. As a best...
Try This PowerShell
In the previous article, we began looking into PowerShell's error system. As you learned, there is the exception object and the error message. You can...
To Err is Human, To Understand is the PowerShell Pro
I don’t think I’ve discussed how PowerShell handles errors in any detail, and you can’t be an effective toolmaker or PowerShell user unless you understand...
Building with Parameter Sets
Let’s continue building a PowerShell function and explore a topic that might be new to you, parameter sets. We use parameter sets all the time in PowerShell....
Can You Help a Function Out?
I spend a lot of time writing about code, language, and syntax. But there is more to a professional-grade PowerShell script or function than pipelined...
Writing Multi-Value Functions
I’ve devoted the last few articles to writing advanced functions. By now, you should know to ask yourself, “Who will be using my function and how?” Let’s...
PowerShell Functions 301
We’ve been looking at PowerShell functions, beginning with a simple basic function. function Get-Uptime { $os = Get-CimInstance -ClassName...
PowerShell Functions 201
Last time we started looking at creating a basic PowerShell function. The function is a command written in PowerShell’s scripting language that accomplishes...
PowerShell Functions 101
One of the content suggestions I received recently asked for content on writing PowerShell functions. Specifically, the reader wanted to see how to write a...
Understanding .NET Enumerations
I want to continue my introduction to the .NET Framework by discussing enumerations. This is a programming structure that is often used in PowerShell. Most...
.NET for IT Pros
Not that long ago, I asked for feedback on this newsletter. One of the things I was looking for was content suggestions. I can’t promise I’ll cover...
Creating a PowerShell Weather Command Part 8
I truly hope you’ve been learning something about developing a PowerShell tool and writing Pester tests. You can easily knock out a quick and dirty script or...
Creating a PowerShell Weather Command Part 7
After a brief break, let’s return to the weather tool and Pester tests. When we ended last time, we had a function to get a location that could be piped to...
Getting Your Group On
I thought I’d give you a break from the weather function and Pester test. We’ll pick that series later. In the meantime, I thought I’d dive into one of my...
Creating a PowerShell Weather Command Part 6
Get-OMLocation
Creating a PowerShell Weather Command Part 5
Parameter Validation
Creating a PowerShell Weather Command Part 4
Weather Codes
Creating a PowerShell Weather Command Part 3
Adding command validation
