从Powershell调用Iconv时，它将转换为UTF-16而不是UTF-8

问题描述

在powershell脚本中尝试使用iconv将某些文件的编码从ISO-8859-1批量转换为UTF-8时遇到问题。

I have a problem while trying to batch convert the encoding of some files from ISO-8859-1 to UTF-8 using iconv in a powershell script.

I有这个蝙蝠文件，就可以了：

I have this bat file, that works ok:

for %%f in (*.txt) do (
  echo %%f
  C:\"Program Files"\GnuWin32\bin\iconv.exe -f iso-8859-1 -t utf-8 %%f > %%f.UTF_8_MSDOS 
)

我需要转换目录结构上的所有文件，所以我编写了另一个脚本，这次使用powershell：

I need to convert all files on the directories structure, so I programmed this other script, this time using powershell:

Get-ChildItem -Recurse -Include *.java |
  ForEach-Object {
    $inFileName = $_.DirectoryName + '\' + $_.name
    $outFileName = $inFileName + "_UTF_8"
    Write-Host Convirtiendo $inFileName -> $outFileName  
    C:\"Program Files"\GnuWin32\bin\iconv.exe -f iso-8859-1 -t utf-8 $inFileName > $outFileName
  }

使用此结果是将文件转换为UTF-16 。我不知道我在做什么错。

And using this the result is the files be converted to UTF-16. I have no clue about what I am doing wrong.

有人可以帮我这个忙吗？ powershell本身的编码是否会出现某种问题？

Could anyone help me with this? Could be it some kind of problem with the encoding of powershell itself?

我正在使用W7，WXP和LibIconv 1.9.2

I am using W7 and WXP and LibIconv 1.9.2

推荐答案

> 本质上使用的是Out-File cmdlet，其默认编码为Unicode。尝试：

> essentially is using the Out-File cmdlet who's default encoding is Unicode. Try:

iconv.exe ... | Out-File -Encoding Utf8

或带有参数：

& "C:\Program Files\GnuWin32\bin\iconv.exe" -f iso-8859-1 -t utf-8 $inFileName |
   Out-File -Encoding Utf8 $outFileName 

由于iconv.exe在UTF8中输出，您必须告诉.NET控制台子系统如何像这样解释stdin流（在iconv.exe之前执行此操作）：

And since iconv.exe is outputting in UTF8, you have to tell the .NET console subsystem how to intrepret the stdin stream like so (execute this before iconv.exe):

[Console]::OutputEncoding = [Text.Encoding]::UTF8 

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