The Big Book of PowerShell Gotchas
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The Big Book of PowerShell Gotchas

About the Book

PowerShell is full of "gotchas" - little things that just get in your way and are hard to figure out on your own. This short book is intended to help you figure them out and avoid them.

About the Author

The DevOps Collective, Inc.
The DevOps Collective, Inc.

The DevOps Collective, Inc. is a US-based 501(c)(3) nonprofit dedicated to changing the way the industry thinks about DevOps. All proceeds from our ebook sales benefit the organization directly. Although all books are published by DevOps Collective, they have been authored by numerous community contributors. Please see each book's "About This Book" page for author credits.

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Table of Contents

  • The Big Book of PowerShell Gotchas
  • Format right
  • Where is the ____ Command? I’ve Installed the Latest Version of PowerShell and Can’t Find it!
  • PowerShell.exe isn’t PowerShell
  • Accumulating Output in a Function
  • ForEach vs ForEach vs ForEach
  • Tab Completion
  • -Contains isn’t -Like
  • You Can’t Have What You Don’t Have
  • -Filter Values Diversity
  • Not Everything Produces Output
  • One HTML Page at a Time, Please
  • [Bloody] {Awful} (Punctuation)
  • Don’t+Concatenate+Strings
  • $ isn’t Part of the Variable Name
  • Use the Pipeline, not an Array
  • Backtick, Grave Accent, Escape
  • A Crowd isn’t an Individual
  • These aren’t Your Father’s Commands
  • Properties vs. Values
  • Remote Variables
  • New-Object PSObject vs. PSCustomObject
    • New-Object PSObject in v1.0
    • New-Object in PS 2.0
    • PSCustomObject in PowerShell v3.0
  • Running Something as the “Currently Logged-in User”
  • Commands that Need a User Profile May Fail When Run Remotely
  • Writing to SQL Server
  • Getting Folder Sizes

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