Introduction to PowerShell at Chicago Code Camp 2014
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2014
Introduction to PowerShell MICHAEL BLUMENTHALPSC GROUP, LLC
2014
Who is Michael Blumenthal?
• Sr. Solution Architect at PSC Group• CSPUG Co-Leader• INETA Champ 2010-2013• 19 years in IT Consulting• 7 years working with PowerShell• Twitter: @MichaelBL
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Why PowerShell?
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PowerShell puts the SharePoint Engine at your fingertips!
• It’s Easy to Get Started!1• Learn the PowerShell Syntax2• Real World Examples3• Best Practices4• More Resources5
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Chapter 1
IT’S EASY TO GET STARTED!
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Getting Started with PowerShell
200320082008 R220127, 8, 8.1
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Windows Feature
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V2
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PowerShell V3&4 ISE
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Chapter 2
LEARN THE POWERSHELL SYNTAX!
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Learn to use PowerShell with SharePoint!
Symbols & Keywords
Using the SharePoint API
Creating and Running Scripts
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Symbols, Keywords, and Syntax! Oh My!
• Variables1• Commands2• Piping3• Comparisons4• Flow Control5• Filtering6
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Punctuation Pronunciation
$ _ : %# [ ] ( ) ;| . + ={ } < > ! /, \“ -
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Pop Quiz…
1$#|
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Variables
• Case Insensitive, Dynamic typing
$foo
$true, $false, $profile, $null
$foo = “Hello, World”
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Commands are called cmdlets.
Verb-Noun
Built-in, Extensible
Get-Help & Help
Get-Member
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Help!
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The Power of Piping!
Output Of Command 1
Input of Command 2|
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Example
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Dial zero for an…4
Operator
-eq -le-ne -like-gt -notlike-ge -match-lt -notmatch
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Example
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Taking Control of the Flow
• For (Init;Test;Repeat) {Commands}• for($i=1; $i -le 10; $i++) {Write-Host $i}For• Foreach (Item in Collection) {Commands}• Foreach ($web in $site.AllWebs) {$web.Title}ForEach• If (Test) {Commands} • if ($web.Title –ne “”) {Write-Host $web.Title}
If• While (Condition){Commands}• while($val -ne 3){$val++; Write-Host $val}While
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Example
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Where-Object
•Where {<Test>}Syntax
• V1&2:Dir | Where {$_.Name –like
“B*”}• V3:Dir | where Name –like B*
Example
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Executing Scripts
.\filename.ps1
Set-ExecutionPolicy Unrestricted
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Chapter 3
REAL WORLD EXAMPLES
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Real World Examples
•Flash cards•Dell Service Tag•Audio Alerts•MP3 Metadata Management•Managing Microsoft Server Products•File Conversion & Text Manipulation
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Flash Cards
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Get-DellServiceTag
• Get-WmiObject win32_SystemEnclosure | select serialnumber
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Audio Alerts
• Stick this at the end of your long running script:
$Voice = new-object -com SAPI.SpVoice $Voice.Speak(“Deployment is done!")
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File and Text Wrangling
• Word• AutoDOCX
• RegEx• PSObjTXT
• Export-• CSVCSV
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Chapter 4
BEST PRACTICES
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Comment your functions
• <#• .SYNOPSIS –a brief explanation of what the script or function does.• .DESCRIPTION – a more detailed explanation of what the script or
function does.• .PARAMETER name – an explanation of a specific parameter. Replace name with the parameter name. You can have one of these sections for each parameter the script or function uses.
• .EXAMPLE – an example of how to use the script or function. You can have multiple .EXAMPLE sections if you want to provide more than one example.
• .NOTES – any miscellaneous notes on using the script or function.• .LINK – a cross-reference to another help topic; you can have more
than one of these. If you include a URL beginning with http:// or https://, the shell will open that URL when the Help command’s –online parameter is used.
• #>
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Find custom commands this way
Refresh the command list
Actions you can take once you fill in parameters
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Self Announcing Functions
…
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Source Code Control
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More Good Ideas
• Always read scripts before running them• Make yours safe when others don’t• Check for valid parameter values • get-help about_Functions_Advanced_Parameters
• Do error handling • get-help about_Try_Catch_Finally• get-help about_CommonParameters • -ErrorAction and -ErrorVariable
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Chapter 5
MORE RESOURCES
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Resources Summary
PowerShell Product Team Blog
TechNet Script Center PowerShell in Action by Br
uce Payette CodePlex: PSBBs (mine) CodePlex:SPInstaller Blog.BlumenthalIT.Net SharePointJack.com
• Jeff Hicks• Gary LaPointe • Raymond Mitchell• Todd Klindt• POSHCODE.ORG• get-spscripts.com• SPYam
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Script something today!
It’s Easy to Get Started!
Learn & Use the PowerShell Syntax
More Resources
In Review…
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Questions
• Michael BlumenthalSharePoint ArchitectPSC Group, LLC
• MBlumenthal@psclistens.com• psclistens.com• www.cspug.org• Twitter: @MichaelBL• LinkedIn• Microsoft Midwest Customers
Yammer Network
Thank you for your time today.
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In Memory of Dave Bost6/30/1970-4/7/2014
Developer Evangelist at Microsoft for 8 yearsSeptember 2005 – October 2013He was a great supporter of the Chicago technical community.
Please donate to his family’s chosen cause, Pitt Hopkins Research Foundationhttp://pitthopkins.org/donate/
More about Dave Bost’s passing: Obit: http://bit.ly/1msYRLRDavid Giard’s blog: http://bit.ly/1fhIvR2
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