PowerShell for Sysadmins

6WRITING FUNCTIONS

So far, the code you’ve written has been fairly one-dimensional: your scripts had a single task. And while there’s nothing wrong with a script that can only access files in a folder, you’ll want code that can do more than one thing as you write more-robust PowerShell tools. There’s nothing stopping you from packing more and more into a script. You could write a thousand lines of code that do hundreds of tasks, all in a single, uninterrupted block of code. But that script would be a mess to read and a mess to work with. You could break each task into its own script, but that would be a mess to use. You want one tool that can ...