What's New in PowerShell 3.0

Описание: An overview of some of the coolest new features of PowerShell 3.0. Check out my blog at http://www.savilltech.com/blog for the latest information. Below is the code I use in this video.

#region CIM
Get-Command -Module CimCmdlets

Get-CimClass -ClassName disk
Get-CimClass win32* -MethodName Term*
Get-CimInstance Win32_Process
#endregion

#region Simplification example
Get-Process | where {$_.HandleCount -gt 900}
Get-Process | where {$psitem.HandleCount -gt 900}
Get-Process | where HandleCount -gt 900
#endregion

#region Robust sessions
$RemoteSession = New-PSSession --Name Server1Session --ComputerName savdaldc01
Invoke-Command --Session $RemoteSession --ScriptBlock {$date = Get-Date}
Disconnect-PSSession --session $RemoteSession

#This would then be run on the savdaldc01 machine locally showing state not lost
Get-PSSession --ComputerName localhost
$LocalSession = Connect-PSSession --ComputerName localhost --Name Server1Session
Invoke-command --Session $LocalSession --Scriptblock { $date }
Get-PSSession --ComputerName localhost | Remove-PSSession
#endregion

#region Workflow
Workflow MyWorkflow {Write-Output -InputObject "Hello from Workflow!"}
Get-Command --Name MyWorkflow --Syntax
MyWorkflow


Workflow LongWorkflow
{
Write-Output -InputObject "Loading some information..."
Start-Sleep -Seconds 10
CheckPoint-Workflow
Write-Output -InputObject "Performing some action..."
Start-Sleep -Seconds 10
CheckPoint-Workflow
Write-Output -InputObject "Cleaning up..."
Start-Sleep -Seconds 10
}

LongWorkflow --AsJob --JobName LongWF
Suspend-Job LongWF
Get-Job LongWF
Receive-Job LongWF --Keep
Resume-Job LongWF
Get-Job LongWF
Receive-Job LongWF --Keep
Remove-Job LongWF
#endregion

#region Background job
$Trigger = New-JobTrigger --Daily --At 2am
Register-ScheduledJob --Name MyScheduledJob --ScriptBlock {Get-Process} --Trigger $Trigger
Get-ScheduledJob
(Get-ScheduledJob --Name MyScheduledJob).JobTriggers
Get-ScheduledJob --Name MyScheduledJob
Unregister-ScheduledJob -Name MyScheduledJob
#endregion

#region Misc commands
Get-Command disk
Get-Module
Get-Disk
Get-Module
Show-Command
Get-Command | sort Module | out-gridview
#endregion