Chapter 6. Flow control in scripts

6.1	The conditional statement 200
6.2	Looping statements 203
6.3	Labels, break, and continue 212
6.4	The switch statement 215
6.5	Flow control using cmdlets 223
6.6	Statements as values 231
6.7	A word about performance 233
6.8	Summary 234

I may not have gone where I intended to go, but I think I have ended up where I needed to be.

—Douglas Adams, The Long Dark Tea-Time of the Soul