告诉 PowerShell ISE 不要将 stderr 发送到 Write-Error [英] Tell PowerShell ISE to not send stderr to Write-Error

问题描述

当可执行文件写入标准错误流 (stderr) 时，PowerShell 控制台和 PowerShell ISE 的行为有所不同.控制台 (powershell.exe) 将其显示为标准输出.例如，当我在非存储库上获得 Mercurial 的状态时，它会写入标准错误:

The PowerShell console and the PowerShell ISE behave differently when executables write to the standard error stream (stderr). The console (powershell.exe) displays it like standard output. For example, when I get a status with Mercurial on a non-repository, it writes to standard error:

> hg st -R C:\Windows
abort: repository C:\Windows not found!

但是，在 PowerShell ISE (powershell_ise.exe) 中，该错误会传递给 PowerShell 的 Write-Error cmdlet:

However, in the PowerShell ISE (powershell_ise.exe), that error gets passed to PowerShell's Write-Error cmdlet:

> hg st -R C:\Windows
hg.exe : abort: repository C:\Windows not found!
At line:1 char:3
+ hg <<<<  st -R C:\Windows
    + CategoryInfo          : NotSpecified: (abort: repository C:\Windows not found!:String) [], RemoteExcepti 
   on
    + FullyQualifiedErrorId : NativeCommandError

有没有办法将 ISE 配置为像控制台一样运行，而不将 stderr 流发送到 Write-Error?

推荐答案

hg st -R C:\Windows 2>&1 | %{ if ($_ -is [System.Management.Automation.ErrorRecord]) { $_.Exception.Message } else { $_ } }

这会保留 stderr 输出并将其作为正常输出发送，而不是丢弃它.

This preserves the stderr output and sends it as normal output, rather than dropping it.

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