Microsoft Exchange 2010 PowerShell Cookbook

Looping through items

Loop processing is a concept that you will need to master in order to write scripts and one-liners with efficiency. You'll need to use loops to iterate over each item in an array or a collection of items, and then run one or more commands within a script block against each of those objects. In this recipe, we'll take a look at how you can use foreach loops and the ForEach-Object cmdlet to process items in a collection.

How to do it...

The foreach statement is a language construct used to iterate through values in a collection of items. The following example shows the syntax used to loop through a collection of mailboxes, returning only the name of each mailbox:

foreach($mailbox in Get-Mailbox) {$mailbox.Name}

In addition, you ...