What does $$, $?, $^ represent in powershell? - Stack Overflow
Nov 22, 2010 · 6 In PowerShell, a dollar sign preceding a name indicates a variable. The symbols in question are just special cases of variables provided by the PowerShell environment. They …
What does the "@" symbol do in PowerShell? - Stack Overflow
Dec 12, 2008 · I've seen the @ symbol used in PowerShell to initialise arrays. What exactly does the @ symbol denote and where can I read more about it?
What does $_ mean in PowerShell? - Stack Overflow
Aug 16, 2010 · If you break down powershell to basics then everything is a script block including a script file a, functions and cmdlets. You can define your own parameters but in some …
windows - How to run a PowerShell script - Stack Overflow
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 …
regex - Matching strings in PowerShell - Stack Overflow
Jul 18, 2018 · Preface: PowerShell string- comparison operators are case-insensitive by default (unlike the string operators, which use the invariant culture, the regex operators seem to use …
powershell - How to fix "running scripts is disabled on this system ...
Nov 1, 2020 · In powershell # To check the current execution policy, use the following command: Get-ExecutionPolicy # To change the execution policy to Unrestricted, which allows running …
Can I get "&&" or "-and" to work in PowerShell? - Stack Overflow
The quickest way to real frustration when learning PowerShell is to start by thinking that it is just an expanded CMD or bash. It has a fundamentally different model, epecially when it comes to …
powershell - Why should I avoid using the increase assignment …
Mar 16, 2020 · Meaning that with a collection size of 20,000 objects using the += operator is about 40x slower than using the PowerShell pipeline for this. Steps to correct a script …
What does the special character "!" mean in PowerShell?
What does the special character "!" mean in PowerShell? Asked 11 years, 9 months ago Modified 3 years ago Viewed 30k times
What does "%" (percent) do in PowerShell? - Stack Overflow
It seems that the % operation starts script blocks after the pipeline, although about_Script_Blocks indicates the % isn't necessary. These all work just fine. get-childitem | % { write-host $_.Na...