PowerShell for Sysadmins

4CONTROL FLOW

Let’s do a quick recap. In Chapter 3, you learned how to combine commands by using the pipeline and external scripts. In Chapter 2, you learned how to use variables to store values. One of the major benefits of working with variables is they allow you to write code that deals with what a value means: instead of working with the number 3, for example, you’ll work with the more general $serverCount, so you can write code that runs the same whether you have one, or two, or a thousand servers. Combine this ability to write general solutions with the ability to store your code in a script that you can run on many computers, and you can ...