From the course: PowerShell: Functions for Advanced Automation
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Accept pipeline input
From the course: PowerShell: Functions for Advanced Automation
Accept pipeline input
- (Instructor) The parameters that you specify in the beginning of a PowerShell function may come from user input. But that may not always be the case. Sometimes you'll create a function to process a long list of objects. Or at other times, you'll create and schedule scripts that automate processes that need to pull the parameters from other locations. In either of these last 2 situations, you'll benefit from the option to accept Parameter Input from The Pipeline. If you've been using PowerShell for a while, you should be familiar with the concept of The Pipeline. Objects are gathered or processed by one Command Letter function, and then passed along to another. You can define a Parameter Attribute, so that your function can accept specific arguments from that pipeline. Here's the function that we created previously. All it does is define a Parameter that can be entered at the prompt. Let's say we wanted to accept a long list of employees and work with just their Employee ID numbers…
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