powershell_ View PowerShell function source code (environment variable / alias) / take function as parameter

see powershell Source code

reference

• magic accelerateViewing PowerShell Function Contents | PDQ.com

• Types - PowerShell | Microsoft Docs

• powershell - Pass function as a parameter - Stack Overflow

General solution

function showSrcCode
{
    
    param(
        [parameter(Mandatory = $true)]
        # [scriptblock] $command
        $command
    )
    Get-Command $command | Select-Object -ExpandProperty ScriptBlock
}

Invoke the sample

PS C:\Users\cxxu> showSrcCode -command newjunction

    param(
        $Path,
        $Target
    )
    sudo New-Item -Verbose -ItemType junction -Path $Path -Target $Target

For a function

$function:<functionName>

$function: Invoke the sample

PS C:\Users\cxxu> $Function:newJunction

    param(
        $Path,
        $Target
    )
    sudo New-Item -Verbose -ItemType junction -Path $Path -Target $Target

environment variable

$env:<environmentName>

Alias

$alias:<AliasName>