powershell - ls -Recurse -ErrorAction SilentlyContinue不起作用

Question

如果我使用ls命令在PowerShell中对磁盘进行完全递归搜索，并将ErrorAction设置为SilentlyContinue，当它命中无法访问的文件夹时，它仍会爆炸。

我可以将 call 包装在try catch中，但这不会阻止搜索终止，只会吞下错误。

例:

ls -Include msdeploy.exe -Recurse -ErrorAction SilentlyContinue;

结果是:

PS C:\> ls msdeploy.exe -Recurse -ErrorAction SilentlyContinue


    Directory: C:\Program Files\IIS\Microsoft Web Deploy V2


Mode                LastWriteTime     Length Name
----                -------------     ------ ----
-a---          4/1/2011   8:17 PM     165704 msdeploy.exe


    Directory: C:\Program Files\IIS\Microsoft Web Deploy V3


Mode                LastWriteTime     Length Name
----                -------------     ------ ----
-a---         7/12/2012   9:13 AM     197504 msdeploy.exe


    Directory: C:\Program Files (x86)\IIS\Microsoft Web Deploy V2


Mode                LastWriteTime     Length Name
----                -------------     ------ ----
-a---          4/1/2011   8:17 PM     169800 msdeploy.exe


    Directory: C:\Program Files (x86)\IIS\Microsoft Web Deploy V3


Mode                LastWriteTime     Length Name
----                -------------     ------ ----
-a---         7/12/2012   9:13 AM     201600 msdeploy.exe
ls : Access is denied
At line:1 char:1
+ ls msdeploy.exe -Recurse -ErrorAction SilentlyContinue
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Get-ChildItem], UnauthorizedAccessException
    + FullyQualifiedErrorId : System.UnauthorizedAccessException,Microsoft.PowerShell.Commands.GetChildItemCommand

我会尝试使用全局变量，我认为还有另一种方法。

Answer 1

尝试设置$ErrorActionPreference = "silentlycontinue"而不是使用参数-ErrorAction SilentlyContinue。不久前有人告诉我，-EA有时可能起作用。