PowerShell Core for Linux Administrators Cookbook

Getting ready

To understand what we are talking about, here, you need to have read the following recipes:

• Selecting columns from the output from Chapter 4, Passing Data through the Pipeline
• The Creating a custom object from a returned object recipe

Let's come back to the question at hand: why extend type data when we can use Select-Object?

Efficiency. While you could change the name, add a calculation, and reference the calculated property with the new name, that change would have existed only in that context. If you added it to a variable, as in the previous recipe, Creating a custom object from a returned object, where we made some nifty changes to the names and also created a custom NoteProperty, that would be a long way to go about ...