Get parent directory name for a particular file using DOS Batch scripting

Question

I need to find the name of the parent directory for a file in DOS

for ex.

Suppose this is the directory

C:\\test\\pack\\a.txt

Answer 1

It can be very simple to get the parent folder of the batch file:

@echo off
for %%a in ("%~dp0\.") do set "parent=%%~nxa"
echo %parent%

And for a parent of a file path as per the question:

@echo off
for %%a in ("c:\test\pack\a.txt") do for %%b in ("%%~dpa\.") do set "parent=%%~nxb"
echo %parent%