Building a PowerShell Tool
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Building a PowerShell Tool

A Mini-Course

About the Book

PowerShell's real power comes through in its tool-making abilities. What do I mean by a tool? A tool is a PowerShell script, a module, a function, whatever that helps you perform some management task. That task could be creating a report, gathering information about a computer, creating a company user account, and so on.

PowerShell shines as an automation language. In this eBook built as a PowerShell mini-course, you'll learn how to build an automation tool using PowerShell.

This eBook mini-course will guide you from having nothing to show all the way up to a PowerShell script that can query and return information across all of your servers.

Not only will you learn how to write a PowerShell script but you'll also learn the mindset behind writing a script that will take your PowerShell skills to the next level. You'll see how a PowerShell expert thinks and how he approaches writing a PowerShell tool.

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About the Author

Adam Bertram
Adam Bertram

Adam Bertram is a 20+ year veteran of IT and an experienced online business professional. He’s a consultant, Microsoft MVP, blogger, trainer, published author and content marketer for multiple technology companies. Catch up on Adam’s articles at, connect on LinkedIn, or follow him on Twitter at @adbertram.

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3 Books
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About the Contributors

Jim Birley
Jim Birley
Lee Dailey
Lee Dailey

Matt Bobke
Matt Bobke

Nick Rimmer
Nick Rimmer

Table of Contents

  • About This Book
  • About the Author
  • Feedback
  • Instructions and Mini-Course Structure
  • Table of Contents
  • Prerequisites
  • More PowerShell!
    • Subscribe to stay in touch
  • Script Scaffolding
    • Defining the Final Output
    • Discovery and Script Input
    • Building a Common Object Type
  • Enumerating User Profiles
    • The Tool (Thus Far)
  • Finding Free Disk Space
    • Managing Arrays of Objects
    • The Tool (Thus Far)
  • Finding Operating System Information
    • The Tool (Thus Far)
  • Finding Memory
    • The Tool (Thus Far)
  • Finding Server IP Addresses
  • Querying Windows Services
    • The Tool (Thus Far)
  • Refactoring
  • Building an HTML Report
    • The Tool (Thus Far)
  • Refactoring…Again?
    • Adding Script Parameters
    • Using a Shared CIM Session and Splatting
    • Using PowerShell Remoting and Supporting Parallel Runs
    • Remove the CIM session and All ComputerName Parameters
  • Summary
  • Release Notes

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