Ido Flatow

PowerShell For Developers

About Me• Senior Architect, Sela Group, Israel• Co-author of Microsoft courses – “WCF 4” and “Developing

Windows Azure and Web Services”• Co-author, “Pro .NET Performance” and “Pro Single Page

Application Development”• Microsoft ASP.NET/IIS MVP• Focus on server, web, cloud, and DevOps• Manager of the Israeli Web Developers User Group

What is PowerShell?

• A command line interface• A scripting environment• A tool to automate routine tasks• Something that will simplify your life• The next generation of command-line

Introducing PowerShell

DEMO

The Most Important Cmdlets• Get-Help (help)• Get-Command (gcm)• Get-Member (gm)

Some Cmdlet Examples

Basic functions:• Get-ChildItem (= dir)• Set-Location (= cd)• Copy-Item (= copy)• Remove-Item (= del)

Management:• Start-Service• Import-Certificate• Write-EventLog• New-WebAppPool

Object treatment:• Where-Object (?)• Select-Object (select)• Foreach-Object (%)• Compare-Object (diff)

Layout:• Format-List• ConvertFrom-Json• Out-GridView• ConvertTo-Xml

Why is PowerShell so Great?

• The output of a command is an object• Objects can be pipelined as input• Built on top of the .NET Framework• Easy to discover what you can do• Has both command-line and GUI • Supports debugging• Runs locally and remotely

Piping Examples

Get-ChildItem -Filter "*.cs" –File -Recurse | `Measure-Object Length -Sum

( Get-WmiObject -class win32_process | ` ? {$_.ProcessName -eq 'w3wp.exe'}).GetOwner() | `Select -property domain, user

Get-Process | ? {$_.PrivateMemorySize64 -gt 50MB} | `Out-Host -Paging

PowerShell Pop QuizGet-EventLog "Application" `| ? {$_.Source -like 'ASP.NET*' –and ` $_.Message -match 'Event code: (\d+).*'} `| ? {$matches[1] -eq '3005'} `| foreach { new-object PSObject -prop @{ ` Time = $_.TimeWritten.Date.ToString("yyyy/MM/dd"); Message = ($_.Message | Select-String `

'(Exception message: )(.*)' ).Matches.Groups[2].Value }} `| group Time, Message `| select Count, ` @{Name="Time";Expression={$_.Name.Split(",")[0].Trim()}}, ` @{Name="Exception";Expression={$_.Name.Split(",")[1].Trim()}} `| sort -desc Time `| out-gridview

Tools of the Trade

PowerShell Command Line

PowerShell ISE

SAPIENS PowerShell Studio

PowerShell Using .NET or .NET Using PowerShell?

• You can actually do both!• Call .NET code from PowerShell• Create new C# classes in PowerShell• Execute PowerShell script from .NET

PowerShell and .NET Integration

DEMO

PowerShell For Developers

• Work with XML and JSON content• Access system resources, such as registry, files, and

certificates• Transform text files using regular expressions• Control platforms, such as IIS, MS-SQL, and Azure• Cleanup TFS content from VS solutions and project• Create automatic deployment scripts• Interact with SOAP and REST services

Platform-specific Cmdlets (IIS)

Platform-specific Cmdlets (MS-SQL)

PowerShell for Developers

DEMO

Resources

Everything PowerShellhttp://PowerShell.org

Script Repositoryhttp://www.poshcode.orghttp://gallery.technet.microsoft.com/scriptcenter

Blogshttp://blogs.msdn.com/PowerShellhttp://blogs.technet.com/heyscriptingguy

@idoflatow idof@sela.co.il http://blogs.microsoft.co.il/idof

Presentation and Sampleshttp://1drv.ms/1n8w1nM

Questions

Thank You