1. © 2007 Asynchrony Solutions, Inc. 1 10/29/07 Introduction to PowerShell Brian Button VP Engineering Asynchrony Solutions, Inc brian.button@asolutions.com http://oneagilecoder.asolutions.com

2. © 2007 Asynchrony Solutions, Inc. 2 10/29/07 Just the other day… Visual Studio 2005Enterprise Library VS.Net SP1Nunit IISXunit.net TFS ExplorerResharper SQL Server 2005Test Driven.net GAX GAT

3. © 2007 Asynchrony Solutions, Inc. 3 10/29/07 Failure!!! SQL Server failed to install and uninstall What to do??? MSDN says: Regedit HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall For each GUID found, Examine DisplayName searching for match of ‘SQL Server’ Manually uninstall it Maybe there was a better way!

4. © 2007 Asynchrony Solutions, Inc. 4 10/29/07 What is PowerShell New Scripting language Same, but different! In Vista, then unbundled Separate download General purpose programming language

5. © 2007 Asynchrony Solutions, Inc. 5 10/29/07 Basic Tour Shell prompt Cmdlets Pipes.Net objects PSDrives Help system

6. © 2007 Asynchrony Solutions, Inc. 6 10/29/07 5 key commands Get-Help Get-Command Get-Member Get-Psdrive Format-List

7. © 2007 Asynchrony Solutions, Inc. 7 10/29/07 Let’s build something Removing all bin and obj folders from project Find all IDisposable classes in assembly

8. © 2007 Asynchrony Solutions, Inc. 8 10/29/07 Powershell as a programming language General purpose programming language File extension PS1 Example: Reformat.PS1

9. © 2007 Asynchrony Solutions, Inc. 9 10/29/07 Extending Powershell Custom Cmdlets and PSSnapins Written in C# or VB.Net Functions, Filters, Aliases Written in powershell Adding methods, properties to existing types Written in XML, powershell Add-member

10. © 2007 Asynchrony Solutions, Inc. 10 10/29/07 Extending Powershell in C#/VB.Net Create Custom cmdlet Create PSSnapin to install Great tutorial at http://blogs.msdn.com/daiken/archive/2007/02/07/creating-a-windows- powershell-cmdlet-using-the-visual-studio-windows-powershell- templates.aspx http://blogs.msdn.com/daiken/archive/2007/02/07/creating-a-windows- powershell-cmdlet-using-the-visual-studio-windows-powershell- templates.aspx [Cmdlet(VerbsCommon.Get, "Proc")] public class GetProcCommand : Cmdlet { }

11. © 2007 Asynchrony Solutions, Inc. 11 10/29/07 Extending Powershell natively Functions function to_uppercase { param([string]$first) $first.ToUpper() } At command line or in user profile

12. © 2007 Asynchrony Solutions, Inc. 12 10/29/07 Extending Powershell natively Aliases – make commands easier to use set-alias, new-alias, get-alias Alias gal Get-Alias Alias gc Get-Content Alias gci Get-ChildItem Alias gcm Get-Command Alias gdr Get-PSDrive

13. © 2007 Asynchrony Solutions, Inc. 13 10/29/07 Customizing Powershell User profile $profile Get-Executionpolicy Like.profile or.login in Linux Invoked for every new shell Sets up functions, aliases, etc

14. © 2007 Asynchrony Solutions, Inc. 14 10/29/07 Why learn Powershell Automate repetitive tasks Share knowledge with others It’s the Microsoft Way…

15. © 2007 Asynchrony Solutions, Inc. 15 10/29/07 Controlling Windows through Scripts Complaints for years about GUI-only config In Unix/Linux forever MS making admin tasks powershell-scriptable Exchange SQL Server IIS 7 More

16. © 2007 Asynchrony Solutions, Inc. 16 10/29/07 Resources Download powershell through Microsoft.com Videos http://channel9.msdn.com/Media/?TagID=163 Blogs http://blogs.msdn.com/powershell http://thepowershellguy.com http://keithhill.spaces.live.com http://www.leeholmes.com/blog

17. © 2007 Asynchrony Solutions, Inc. 17 10/29/07 More resources Books Powershell in Action, Bruce Payette Professional Windows Powershell, Andrew Watt Windows Powershell Cookbook, Lee Holmes Community projects 21 projects on http://www.codeplex.comhttp://www.codeplex.com

18. © 2007 Asynchrony Solutions, Inc. 18 10/29/07 Q & A Slides posted at http://oneagilecoder.asolutions.comhttp://oneagilecoder.asolutions.com Email questions to brian.button@asolutions.combrian.button@asolutions.com