windows 如何在命令提示符中获取父文件夹的名称？
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How do I get the name of the parent folder in a command prompt?
提问by Bernhard Hofmann
I'm in a Windows Command Line and want the parent folder in a variable.
我在 Windows 命令行中并希望父文件夹位于变量中。
Assuming current directory is "C:\foo\bar", how can I get the value "bar"?
假设当前目录是“C:\foo\bar”，我怎样才能得到值“bar”？
I'm expecting something like a "find last backslash in CD and that's it".
我期待诸如“在 CD 中找到最后一个反斜杠，仅此而已”之类的东西。
And please, no powershell references; I want plain old Windows Command Line operations.
请不要引用 powershell；我想要普通的旧 Windows 命令行操作。
回答by pmod
My solution uses substitution and works for root directory as well:
我的解决方案使用替换并适用于根目录：
call set PARENT_DIR=%CD%
set PARENT_DIR=%PARENT_DIR:\= %
set LAST_WORD=
for %%i in (%PARENT_DIR%) do set LAST_WORD=%%i
echo %LAST_WORD%
回答by Blair Holloway
This appears to get the current directory name, and stores it in the environment variable bar:
这似乎获取当前目录名称，并将其存储在环境变量中bar：
for %i in (%CD%) do set bar=%~ni
This works because %CD%contains the current directory, and %~nstrips the output of the for loop (looping for one value, %CD%) to the 'file name' portion.
这是有效的，因为%CD%包含当前目录，并将%~nfor 循环的输出（循环一个值，%CD%）剥离到“文件名”部分。
(Note, if you're using this in a batch file, use %%iand %%~niinstead.)
（注意，如果您在批处理文件中使用它，请使用%%iand%%~ni代替。）
This doesn't, however, work for the root directory of a drive, it will instead unset bar, as %~niwill evaluate to nothing.
然而，这不适用于驱动器的根目录，它会改为 unset bar，因为%~ni将评估为空。
回答by Bernhard Hofmann
Pmod has a neater solution; I'm not sure mine works for root folders. But I thought I'd include it here for people to see.
Pmod 有一个更简洁的解决方案；我不确定我的是否适用于根文件夹。但我想我会把它包括在这里让人们看到。
set myPath=%cd%
pushd ..
set parentPath=%cd%
popd
echo myPath = "%myPath%"
echo parentPath = "%parentPath%"
call set myDir=%%myPath:%parentPath%\=%%
echo myDir = "%myDir%"
回答by mojo
@pmod's answer (I lack the rep to comment) may work for root directories, but it doesn't work if there are spaces in the names.
@pmod 的回答（我缺少评论的代表）可能适用于根目录，但如果名称中有空格则不起作用。
Here's a slightly improved version (substituting / for space before splitting, then reverse substituting when finished).
这是一个稍微改进的版本（在拆分之前替换 / 空间，然后在完成时反向替换）。
call set PARENT_DIR=%CD%
set PARENT_DIR=%PARENT_DIR: =/%
set PARENT_DIR=%PARENT_DIR:\= %
set LAST_WORD=
for %%i in (%PARENT_DIR%) do set LAST_WORD=%%i
set LAST_WORD=%LAST_WORD:/= %
echo %LAST_WORD%
