powershell_查看powershell函数源代码(环境变量/别名)/将函数作为参数

查看powershell源代码

reference

• 魔法accelerate​​Viewing PowerShell Function Contents | PDQ.com​​
• ​​Types - PowerShell | Microsoft Docs​​
• ​​powershell - Pass function as a parameter - Stack Overflow​​

通用方案

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

调用示例

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

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

对于某个函数

​​$function:<functionName>​​

$function: 调用示例

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

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

环境变量

​​$env:<environmentName>​​

别名

​​$alias:<AliasName>​​