PowerShell for Sysadmins

19REFACTORING YOUR CODE

In the preceding chapter, you built a VM with a running SQL server using nothing besides an existing hypervisor, an operating system ISO file, and a little bit of code. Doing so meant linking together many of the functions you created in the previous chapters. Here, you’ll do something different: instead of adding new functionality to your PowerLab module, you’ll dig into your code and see if you can make your module a little more modular.

When I say modular, I’m talking about separating the functionality of the code into reusable functions that can handle many situations. The more modular the code, the more generally applicable ...