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在变量中存储 cmdlet 响应时出现 PowerShell 编码问题

转载 作者:行者123 更新时间:2023-12-01 23:10:37 24 4
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我花了大约一个小时试图弄清楚这里发生了什么,但我根本无法找出原因,也没有偶然发现解决方法。

当我运行 winget upgrade 时,返回的数据已正确编码:

winget response correctly encoded

然而,如果我将 winget 升级的响应存储在一个变量中 ($winget = winget upgrade; $winget;),一些字符会中断,这似乎是一个编码问题:

winget with encoding issue in response

像这样的 cmdlet 将始终向 PowerShell 返回字符串,所以我猜想将响应分配给变量是在应用一些默认的文本编码,也许来 self 的 PowerShell 配置文件?我已尝试将大部分常用代码强制转换为变量,但最终会完全破坏数据。

我什至用每一种可能的编码类型转储了数据,但它们全都损坏了:

winget upgrade | Out-File -FilePath C:\tmp\test1.txt -Encoding ascii
winget upgrade | Out-File -FilePath C:\tmp\test3.txt -Encoding default
winget upgrade | Out-File -FilePath C:\tmp\test4.txt -Encoding string
winget upgrade | Out-File -FilePath C:\tmp\test5.txt -Encoding unicode
winget upgrade | Out-File -FilePath C:\tmp\test7.txt -Encoding utf32
winget upgrade | Out-File -FilePath C:\tmp\test8.txt -Encoding utf7
winget upgrade | Out-File -FilePath C:\tmp\test9.txt -Encoding utf8

我已经设法通过重新编码字符串来影响错误的字符,bt 还没有解决这个问题:

$originalBytes = [Text.Encoding]::Default.GetBytes('Microsoft Visual C++ 2013 Redistributable (x6')
[Text.Encoding]::Utf8.GetString($originalBytes)

enter image description here

最佳答案

感谢@JosefZ 分享解决方案,可在此处找到:How to configure the encoding for Powershell console?

这是[console]::OutputEncoding的输出:

PS C:\> [console]::OutputEncoding                             


IsSingleByte : True
BodyName : ibm850
EncodingName : Western European (DOS)
HeaderName : ibm850
WebName : ibm850
WindowsCodePage : 1252
IsBrowserDisplay : False
IsBrowserSave : False
IsMailNewsDisplay : False
IsMailNewsSave : False
EncoderFallback : System.Text.InternalEncoderBestFitFallback
DecoderFallback : System.Text.InternalDecoderBestFitFallback
IsReadOnly : True
CodePage : 850

这是 [Console]::Out 的输出:

PS C:\> [Console]::Out                                 

Encoding FormatProvider NewLine
-------- -------------- -------
System.Text.SBCSCodePageEncoding en-GB ...

使用 [Console]::OutputEncoding = [System.Text.Encoding]::UTF8 将我的控制台输出更改为 UTF-8 已解决问题。

现在,当我将 cmdlet 响应存储在一个变量中时,世界上一切都是正确的:

PS C:\> [Console]::OutputEncoding = [System.Text.Encoding]::UTF8 
PS C:\> $winget = winget upgrade
PS C:\> $winget
Name Id Version Available Source
-----------------------------------------------------------------------------------------------------------------------
Signal OpenWhisperSystems.Signal 5.20.0 5.23.1 winget
Cisco Webex Meetings Cisco.CiscoWebexMeetings 41.9.5 41.12.2.15 winget
Audacity Audacity.Audacity 3.0.4 3.1.2 winget
Docker Desktop Docker.DockerDesktop 4.1.1 4.2.0 winget
Git Git.Git 2.33.0.2 2.34.0 winget
MongoDB Compass MongoDB.Compass.Full 1.28.4 1.29.4.0 winget
TeamViewer TeamViewer.TeamViewer 15.22.3 15.23.9 winget
Visual Studio Community 2019 Microsoft.VisualStudio.2019.Community 16.11.3 16.11.7 winget
Insomnia Insomnia.Insomnia 2021.5.3 2021.6.0 winget
Microsoft Visual C++ 2013 Redistributable (x6… Microsoft.VC++2013Redist-x64 12.0.30501.0 12.0.40664.0 winget
Microsoft Visual C++ 2015-2019 Redistributabl… Microsoft.VC++2015-2019Redist-x64 14.29.30133.0 14.29.30135.0 winget
Microsoft Visual C++ 2015-2019 Redistributabl… Microsoft.VC++2015-2019Redist-x86 14.29.30133.0 14.29.30135.0 winget
Node.js LTS OpenJS.NodeJS.LTS 14.17.6 16.13.0 winget
Microsoft Visual C++ 2015-2019 Redistributabl… Microsoft.VC++2015-2019Redist-x64 14.28.29914.0 14.29.30135.0 winget
ScreenToGif NickeManarin.ScreenToGif 2.33.1 2.34.1 winget
MongoDB MongoDB.Server 5.0.2 5.1.0 winget
AWS Command Line Interface Amazon.AWSCLI 2.2.46.0 2.3.7.0 winget
Chrome Remote Desktop Host Google.ChromeRemoteDesktop 92.0.4515.41 96.0.4664.39 winget
Microsoft Visual C++ 2013 Redistributable (x8… Microsoft.VC++2013Redist-x86 12.0.30501.0 12.0.40664.0 winget
19 upgrades available.

关于在变量中存储 cmdlet 响应时出现 PowerShell 编码问题,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/70012084/

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