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The other week, I showed a Get-ProgID function that I used to help someone at Microsoft Research find a good object to talk to images. A few comments jumped to one of the possible solutions, which is to use the .NET Drawing assembly (which I have to load first). I wanted to be reasonably sure that the way to get at the image metadata was efficient and didn’t require loading up any assemblies PowerShell...

Everyone needs to get good with Advanced Functions – this is the easiest path to the best semantics for everyone. In previous posts we’ve shown how you can add a few simple attributes and get a TON of stuff for free. There is a LOT more to advanced functions. You can go VERY VERY far with advanced functions. I can’t think of anything you can do in C# Cmdlet that you can’t do with a PowerShell cmdlet...

On my personal blog ( Media And Microcode ), I've been posting a series called "Scripting the Web", which introduced a function called Get-MarkupTag. Get-MarkupTag is a very handy little function that coerces individual tag elements of a web page into HTML, so you can scrape data from a webpage. I've updated Get-MarkupTag a tiny bit for CTP3, marking the tag name as value from pipeline...

If you're like me, you've got a browser favorites folder that is full of wonderful PowerShell code snippets. Ideally, it would be great to have a way to bring those favorite snippets into PowerShell so that my favorites folder becomes a code library. Doing this presents several challenges. The first (and easiest to solve) is getting the web page the shortcut points to out of the .url file....

On the PowerShell team, we're big believers in the Virtuous Cycle. As you learn PowerShell more and more, things should get easier and easier to do. Inline help is a great example of the virtuous cycle, because it allows you to write scripts in such a way that they're easy to learn about the same way you learn about most things in PowerShell (with Get-Help). The other great source of learning...

One of the great benefits of PowerShell V2 Advanced Functions is the ease in which you can support parametersets.  ParameterSets are, well, different SETS of valid parameters.  For instance you can say: Get-Process -id 0 Get-Process -Name *ss Those are 2 different parametersets for the Get-Process cmdlet.  Here is an example of how you would code parametersets using advanced functions...