Learn PowerShell in a Month of Lunches, Fourth Edition

23 Adding logic and loops

Looping (or going through a list of objects one at a time) is a fundamental concept in any language, and PowerShell is no exception. There will come a time when you will need to execute a block of code numerous times. PowerShell is well equipped to handle this for you.

23.1 Foreach and Foreach-Object

This section may be a bit confusing, as there is a difference between Foreach and Foreach-Object. Take a look at figure 23.1 for a visual representation of how Foreach works.

Figure 23.1 Diagram of how Foreach works

23.1.1 Foreach

Probably the most common form of looping is the Foreach command. Foreach allows you to iterate ...