Windows PowerShell in Action

Chapter 7. Functions and scripts

7.1	Function basics	178
7.2	Formal parameters and the param statement	181
7.3	Returning values from functions	193
7.4	Using functions in a pipeline	199
7.5	Managing functions	204
7.6	Scripts at long last	205
7.7	Summary	212

	And now for something completely different...
	--Monty Python

	Porcupine quills. We’ve always done it with porcupine quills
	--Dilbert

Seven chapters in and no scripts? Okay—fine—here you go:

"Hello, world"

As you will have astutely observed from the title, in this chapter we finally get into writing PowerShell scripts in all their myriad forms. As mentioned in chapter 2, functions and scripts are two of the four types of PowerShell commands (the others are cmdlets and external commands). Prior programming experience ...