如何在錯誤時繼續使用 &$var 調用可執行文件 (How to continue on error a call to an executable using &$var)


問題描述

如何在錯誤時繼續使用 &$var 調用可執行文件 (How to continue on error a call to an executable using &$var)

假設我想在使用 & 調用可執行文件時繼續出錯。示例:

&$executable

有什麼辦法可以得到這個嗎?


參考解法

方法 1:

Consider using a function for that to reset the old ErrorActionPreference:

function Invoke‑MyFunctorSilently 
{
    param
    (
        [scriptblock]$func
    )

    $currentEa = $ErrorActionPreference
    try
    {
        $ErrorActionPreference = 'SilentlyContinue'
        $func.Invoke()
    }
    finally
    {
        $ErrorActionPreference = $currentEa
    }
} 

So you can invoke it like this:

Invoke‑MyFunctorSilently ‑func { & calc.exe}

方法 2:

Set the $ErrorActionPreference Global Variable to one of this options:

SilentlyContinue, Stop, Continue, Inquire, Ignore

For example:

$ErrorActionPreference = 'SilentlyContinue'
&$executable

(by Matías FidemraizerMartin BrandlAvshalom)

參考文件

  1. How to continue on error a call to an executable using &$var (CC BY‑SA 2.5/3.0/4.0)

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