将 Write-Host 语句重定向到文件 [英] Redirect Write-Host statements to a file

问题描述

我有一个正在调试的 PowerShell 脚本，想重定向所有 Write-Host 语句到文件.有没有简单的方法可以做到这一点?

I have a PowerShell script that I am debugging and would like to redirect all Write-Host statements to a file. Is there an easy way to do that?

推荐答案

直到 PowerShell 4.0，Write-Host 将对象发送到主机.它不返回任何对象.

Until PowerShell 4.0, Write-Host sends the objects to the host. It does not return any objects.

从 PowerShell 5.0 和更新版本开始，Write-Host 是 Write-Information 的包装器，它允许输出到信息流并使用 重定向它6>文件名.

Beginning with PowerShell 5.0 and newer, Write-Host is a wrapper for Write-Information, which allows to output to the information stream and redirect it with 6>> file_name.

http://technet.microsoft.com/en-us/library/hh849877.aspx

但是，如果您有很多 Write-Host 语句，请将它们全部替换为 Write-Log，这样您就可以决定是输出到控制台、文件还是事件日志，或所有三个.

However, if you have a lot of Write-Host statements, replace them all with Write-Log, which lets you decide whether output to console, file or event log, or all three.

还要检查:

• 添加内容
• 重定向运算符，例如 >、>>, 2>, 2>, 2>&1
• 写日志
• 三通对象
• Start-Transcript.

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