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PowerShell: Automation for Everyone

Join Gavin Barron, Solution Architect and SharePoint Server MVP, for a comprehensive session on PowerShell automation at ComCamp Auckland. Discover the five essential commands that will empower you to automate manual tasks efficiently and reliably. This seminar will cover the reasons to automate, including repeatability and time-saving techniques, accompanied by practical demos. Learn best practices for scripting, including error handling, output management, and coding conventions. Elevate your scripting skills and streamline your workflow with PowerShell.

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PowerShell: Automation for Everyone

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  1. PowerShell: Automation for Everyone • ComCampAuckland • Gavin Barron, Solution ArchitectMarch 22, 2014

  2. Our agenda Intro The only five commands you need Demos Rules for writing scripts Wrap up

  3. Your presenter Gavin Barron Solution Architect • SharePoint Server MVP • Developer • Skier • http://gavinb.net • @gavinbarron • gavin.barron@intergen.co.nz

  4. Why Automate? Repeatability Reliability Save time? Eliminate boring manual tasks

  5. Why PowerShell? Product specific cmdlets Able to run .NET code Hooks into WMI/COM Object pipeline Readable scripts

  6. The only five commands you need

  7. Get-Command

  8. Get-Help

  9. Get-Member

  10. Where-Object

  11. ForEach-Object

  12. Demos

  13. Find the command you need

  14. Simple Pipeline Use

  15. File renaming in .bat @echo off for /f "delims=" %%a in ('dir /b *.txt') do call :dot "%%a" pause goto :EOF :dot set "var=%~n1" set "var=%var:.=_%"   echo ren %1 "%var%%~x1"

  16. Rules for writing scripts

  17. Consider error cases What should you do when it goes pear shaped? Default behaviour is Ignore and Continue $ErrorActionPreference -ErrorAction try{} catch{}

  18. Consider your outputs Write-Host Write-Output Write-Progress Add-Content Out-File

  19. Have style! • Use a coding convention • Naming • Casing • Bracing • Avoid aliases • Be Consistent!

  20. Leverage functions for re-use Small tasks Compose a script from functions Functions are highly reusable CmdletBinding Attribute Parameters Attribute Default Values

  21. Use configuration files $file =[xml] (Get-ChildItem $constantsFilePath) $root = "setup-config" $ConstantsNodeList = $file.$root.Constants foreach($property in $ConstantsNodeList.Property) { $key= $property.Key $value=$property.Value $webApp.Properties.Add($key,$value) } $webApp.Update()

  22. Script Examples

  23. Wrap up

  24. Start scripting, it’s easy!

  25. Handy resources http://blogs.technet.com/b/heyscriptingguy http://gallery.technet.microsoft.com/scriptcenter http://social.technet.microsoft.com/Forums/scriptcenter/en-US/home?forum=ITCG http://ss64.com/ps/ http://ss64.com/ps/syntax.html

  26. Any questions?

  27. Thank you • Email: gavin.barron@intergen.co.nz • Blog: http://gavinb.net • Twitter: @gavinbarron

  28. THE END

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