Windows PowerShell Cookbook

THIRD EDITION

Windows PowerShell Cookbook

Lee Holmes

Windows PowerShell Cookbook, Third Edition

by Lee Holmes

Copyright ? 2013 Lee Holmes. All rights reserved. Printed in the United States of America.

Published by O'Reilly Media, Inc., 1005 Gravenstein Highway North, Sebastopol, CA 95472.

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Editor: Rachel Roumeliotis Production Editor: Kara Ebrahim

Proofreader: Rachel Monaghan Indexer: Angela Howard Cover Designer: Randy Comer Interior Designer: David Futato Illustrator: Rebecca Demarest

October 2007: August 2010: January 2013:

First Edition Second Edition Third Edition

Revision History for the First Edition:

2012-12-21 First release See for release details.

Nutshell Handbook, the Nutshell Handbook logo, and the O'Reilly logo are registered trademarks of O'Reilly Media, Inc. Windows Powershell Cookbook, the image of a box tortoise, and related trade dress are trademarks of O'Reilly Media, Inc. Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and O'Reilly Media, Inc., was aware of a trade- mark claim, the designations have been printed in caps or initial caps. While every precaution has been taken in the preparation of this book, the publisher and author assume no responsibility for errors or omissions, or for damages resulting from the use of the information contained herein.

ISBN: 978-1-449-32068-3 [LSI]

Table of Contents

Foreword. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvii Preface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix

Part I. Tour

A Guided Tour of Windows PowerShell. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii

Part II. Fundamentals

1. The Windows PowerShell Interactive Shell. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

1.1. Run Programs, Scripts, and Existing Tools

19

1.2. Run a PowerShell Command

23

1.3. Resolve Errors Calling Native Executables

24

1.4. Supply Default Values for Parameters

26

1.5. Invoke a Long-Running or Background Command

28

1.6. Program: Monitor a Command for Changes

32

1.7. Notify Yourself of Job Completion

35

1.8. Customize Your Shell, Profile, and Prompt

36

1.9. Customize PowerShell's User Input Behavior

39

1.10. Customize PowerShell's Command Resolution Behavior

40

1.11. Find a Command to Accomplish a Task

43

1.12. Get Help on a Command

45

1.13. Update System Help Content

47

1.14. Program: Search Help for Text

49

1.15. Launch PowerShell at a Specific Location

50

1.16. Invoke a PowerShell Command or Script from Outside PowerShell

52

1.17. Understand and Customize PowerShell's Tab Completion

55

1.18. Program: Learn Aliases for Common Commands

59

1.19. Program: Learn Aliases for Common Parameters

61

iii

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