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
Feedback Follow-Up
This is a quick follow-up survey for my premium subscribers only. I’d like to get an idea of the number of articles showing up in your email. I’d also like a...
Creating a PowerShell Weather Command Part 2
Test-Driven Development
I Need to Hear From You
When I started this newsletter, I had some ideas about the type of content I wanted to create. I very much wanted to get into the intangible qualities of...
Creating a PowerShell Weather Command
Part 1
