The Big Book of PowerShell Gotchas

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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.

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The Big Book of PowerShell Gotchas26 chapters

Begin
  1. The Big Book of PowerShell Gotchas

  2. Format right

  3. Where is the ____ Command? I’ve Installed the Latest Version of PowerShell and Can’t Find it!

  4. PowerShell.exe isn’t PowerShell

  5. Accumulating Output in a Function

  6. ForEach vs ForEach vs ForEach

  7. Tab Completion

  8. -Contains isn’t -Like

  9. You Can’t Have What You Don’t Have

  10. -Filter Values Diversity

  11. Not Everything Produces Output

  12. One HTML Page at a Time, Please

  13. [Bloody] {Awful} (Punctuation)

  14. Don’t+Concatenate+Strings

  15. $ isn’t Part of the Variable Name

  16. Use the Pipeline, not an Array

  17. Backtick, Grave Accent, Escape

  18. A Crowd isn’t an Individual

  19. These aren’t Your Father’s Commands

  20. Properties vs. Values

  21. Remote Variables

  22. New-Object PSObject vs. PSCustomObject

  23. Running Something as the “Currently Logged-in User”

  24. Commands that Need a User Profile May Fail When Run Remotely

  25. Writing to SQL Server

  26. Getting Folder Sizes