I would like to implement a -parallel Switch to one of my skripts Non Parallel Version: $tmpArray | ForEach-Object { #region ... local Variables $stepWidthLocal = $stepWidth <# my code #> ...

I have a long script. i have a function for logging: function Log ([string]$Content){ $Date = Get-Date Add-Content -Path $LogPath -Value ("$Date : $Content") } In some point at the scr...

I guess you can't just do this: $servicePath = $args[0] if(Test-Path -path $servicePath) <-- does not throw in here $block = { write-host $servicePath -foreground "magenta" if((Test-P...

I got excited with PowerShell ScriptBlock at first but I was confused recently with its executing ordering inside blocks. For example: $test_block = { write-host "show 1" ps write-host "show 2"...

I'm looking at the documentation of PowerShell's Rename-Item cmdlet and there is an example like this. Get-ChildItem *.txt | Rename-Item -NewName { $_.name -Replace '\.txt','.log' } This example ...

Consider the following arbitrary function and test cases: Function Foo-MyBar { Param( [Parameter(Mandatory=$false)] [ScriptBlock] $Filter ) if (!$Filter) { $Filter = { $true } } #$Filt...

I was assisting a user with this question, linked to my answer here: Powershell script to add users to A/D group from .csv using email address only? Initially I wrote the script as follows, using ...

$var =@( @{id="1"; name="abc"; age="1"; }, @{id="2"; name="def"; age="2"; } ); $properties = @("ID","Name","Age") ; $format = @(); foreach ($p in $properties) { $format += @{label=$p ; Expression...

I'm having trouble understanding scopes within ScriptBlocks. I was counting on some kind of closure-like system, but I can't seem to get it working. I have a ScriptBlock that takes a param and ret...

Let's take the classic first-order functions example: function Get-MyName { "George" } function Say-Hi([scriptblock]$to) { Write-Host ("Hi "+(& $to)) } This works just fine: Say-Hi { "Fre...

I have a class I'm attempting to use from Powershell. This class has a method, called Execute(), with two overloads: one which takes a Func<T> and one which takes an Action<T>. I can ca...

Is there a way to use the Powershell Start-Process cmdlet to start a new Powershell session and pass a scriptblock with local variables (once of which will be an array)? Example: $Array = @(1,2,3...

I am trying to follow this article to expand a variable in a scriptblock My code tries this: $exe = "setup.exe" invoke-command -ComputerName $j -Credential $credentials -ScriptBlock {cmd /c 'C:\...

I have a PowerShell script that edits the registry, so it needs to run as admin. To do this, I start up a new PowerShell process from my running PowerShell script, and pass in part of the registry ...

I want to use background jobs in Powershell. How to make variables evaluated at the moment of ScriptBlock definition? $v1 = "123" $v2 = "asdf" $sb = { Write-Host "Values are: $v1, $v2" } $job ...