windows Powershell 脚本打印出系统路径中的每个值
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Powershell script to print out each value in the system path
提问by Ben McCormack
I found that I can use $env:Pathwithin PowerShell to see my current system path. However, everything runs together on one line. Is there a way to pipe the output of $env:Pathto another command that will print each path value separately (i.e. printing on a new line for everything that is delimited by a semi-colon)?
我发现我可以$env:Path在 PowerShell 中使用来查看我当前的系统路径。然而，一切都在一条线上运行。有没有办法将 的输出通过管道$env:Path传输到另一个命令，该命令将分别打印每个路径值（即，对于由分号分隔的所有内容，在新行上打印）？
Currently it prints something like this:
目前它打印如下内容：
C:\Some Test Directory\With\Some\Files\In\It;C:\Some Test Directory\With\Some\Files\In\It;C:\Some Test Directory\With\Some\Files\In\It;C:\Some Test Directory\With\Some\Files\In\It;C:\Some Test Directory\With\Some\Files\In\It;
I'd rather have something like this:
我宁愿有这样的事情：
C:\Some Test Directory\With\Some\Files\In\It
C:\Some Test Directory\With\Some\Files\In\It
C:\Some Test Directory\With\Some\Files\In\It
C:\Some Test Directory\With\Some\Files\In\It
C:\Some Test Directory\With\Some\Files\In\It
回答by Jacob
$env:Path.split(";")
PS C:\Users\user> $env:Path.split(";")
C:\Program Files (x86)\Haskell\bin
C:\Program Files (x86)\Haskell Platform11.2.0.1\lib\extralibs\bin
C:\Program Files (x86)\Haskell Platform11.2.0.1\bin
C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common
C:\Windows\system32
...
Works for me.
对我来说有效。
回答by RJFalconer
On Unix you can do this with simply
在 Unix 上，你可以简单地做到这一点
echo $path | tr ";" "\n"
You can emulate this workflow on Windows with either of the following:
您可以使用以下任一方法在 Windows 上模拟此工作流程：
EITHER
任何一个
Install gnu coreutilsand add the bin directory to your system path
安装gnu coreutils并将 bin 目录添加到您的系统路径
OR
或者
Add a folder for your command line tools to your system path. E.g, "C:\Program Files (x86)\bin\"
Download tr as part of the powertools ported from unix. Extract them somewhere else. (E.g, "C:\Program Files (x86)\bin\perl\"
Add a bat file called tr.bat with these contents to your bin folder:
将命令行工具的文件夹添加到系统路径。例如，“C:\Program Files (x86)\bin\”
下载 tr 作为从 unix 移植的powertools 的一部分。将它们提取到其他地方。（例如，“C:\Program Files (x86)\bin\perl\”
将一个名为 tr.bat 的 bat 文件添加到您的 bin 文件夹中：
@echo off
perl "C:\Program Files (x86)\bin\perl\tr" %*
@回声关闭
perl "C:\Program Files (x86)\bin\perl\tr" %*
(Path should match where you extracted the perl tools)
（路径应与您提取 perl 工具的位置匹配）
Result
结果
C:\>echo %path% | tr ";" "\n"
C:\Program Files (x86)\bin\
C:\Perl\site\bin
C:\Perl\bin
C:\WINDOWS\system32
C:\WINDOWS
C:\WINDOWS\System32\Wbem
C:\WINDOWS\System32\WindowsPowerShell\v1.0\
C:\Python27
...
