Whenever I need to reference a common module or script, I like to use paths relative to the current script file. That way, my script can always find other scripts in the library. So, what is the best, standard way of determining the directory of the current script? Currently, I’m doing: $MyDir = [System.IO.Path]::GetDirectoryName($myInvocation.MyCommand.Definition) I … Read more
Suppose I have the following snippet: $assoc = New-Object PSObject -Property @{ Id = 42 Name = “Slim Shady” Owner = “Eminem” } Write-Host $assoc.Id + ” – ” + $assoc.Name + ” – ” + $assoc.Owner I’d expect this snippet to show: 42 – Slim Shady – Eminem But instead it shows: 42 + … Read more
I have found out that setting the PATH environment variable affects only the old command prompt. PowerShell seems to have different environment settings. How do I change the environment variables for PowerShell (v1)? Note: I want to make my changes permanent, so I don’t have to set it every time I run PowerShell. Does PowerShell … Read more
How do I run a PowerShell script? I have a script named myscript.ps1 I have all the necessary frameworks installed I set that execution policy thing I have followed the instructions on this MSDN help page and am trying to run it like so: powershell.exe ‘C:\my_path\yada_yada\run_import_script.ps1’ (with or without –noexit) which returns exactly nothing, except … Read more
How do you comment out code in PowerShell (1.0 or 2.0)? 10 s 10 In PowerShell V1 there’s only # to make the text after it a comment. # This is a comment in PowerShell In PowerShell V2 <# #> can be used for block comments and more specifically for help comments. #REQUIRES -Version 2.0 … Read more
I am trying to run a cmd file that calls a PowerShell script from cmd.exe, but I am getting this error: Management_Install.ps1 cannot be loaded because the execution of scripts is disabled on this system. I ran this command: Set-ExecutionPolicy -ExecutionPolicy Unrestricted When I run Get-ExecutionPolicy from PowerShell, it returns Unrestricted. PS C:\Users\Administrator\> Get-ExecutionPolicy Unrestricted … Read more
How can I determine what version of PowerShell is installed on a computer, and indeed if it is installed at all? 2 21 Use $PSVersionTable.PSVersion to determine the engine version. If the variable does not exist, it is safe to assume the engine is version 1.0. Note that $Host.Version and (Get-Host).Version are not reliable – … Read more
