Getting started with PowerShell Loops Operators Using ShouldProcess PowerShell Classes Switch statement Working with Objects Using existing static classes Basic Set Operations PowerShell Functions Sending Email Handling Secrets and Credentials Powershell Remoting PowerShell "Streams"; Debug, Verbose, Warning, Error, Output and Information Variables in PowerShell Communicating with RESTful APIs Working with the PowerShell pipeline PowerShell Background Jobs Return behavior in PowerShell Working with XML Files Introduction to Psake Using the progress bar Strings TCP Communication with PowerShell SharePoint Module Aliases Automatic Variables Environment Variables Powershell profiles Enforcing script prerequisites Using the Help System Splatting Desired State Configuration Signing Scripts Security and Cryptography CSV parsing Introduction to Pester Modules, Scripts and Functions PowerShell.exe Command-Line Common parameters Parameter sets Regular Expressions PowerShell Dynamic Parameters WMI and CIM GUI in Powershell Conditional logic URL Encode/Decode MongoDB Running Executables Error handling HashTables ActiveDirectory module powershell sql queries Automatic Variables - part 2 Package management Cmdlet Naming Built-in variables Creating DSC Class-Based Resources Powershell Modules PowerShell Workflows How to download latest artifact from Artifactory using Powershell script (v2.0 or below)?Calculated Properties Special Operators Anonymize IP (v4 and v6) in text file with Powershell Comment-based help Amazon Web Services (AWS) Simple Storage Service (S3)Amazon Web Services (AWS) Rekognition PSScriptAnalyzer - PowerShell Script Analyzer Naming Conventions Embedding Managed Code (C# | VB)Archive Module Infrastructure Automation Scheduled tasks module ISE module

Special Operators

Array Expression Operator

Returns the expression as an array.

@(Get-ChildItem $env:windir\System32\ntdll.dll)

Will return an array with one item

@(Get-ChildItem $env:windir\System32)

Will return an array with all the items in the folder (which is not a change of behavior from the inner expression.

Call Operation

$command = 'Get-ChildItem'
& $Command

Will execute Get-ChildItem

Dot sourcing operator

. .\myScript.ps1

runs .\myScript.ps1 in the current scope making any functions, and variable available in the current scope.

Contributors

Topic Id: 8981

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