Powershell navigating to unknown directory - powershell

Question

I have stumbled the unfortunate situation, having to be in a directory in which another directory is located:
C:\Test\[Folder with unknown name]\theFileINeed.txt
The structure mentioned above originates from a Zip-file from an external source. So i can not change the structure.
My goal is to navigate to the Directory with the unknown name, so it is my working directroy and I can execute further commands there. (Like Get-Childitem e.g.)
Is there a simple way to e.g. use the cd command to move into that directory?
I have fiddled around a bit with Resolve-Path but couldn't find a helpful solution.
Thanks in advance.

Answer 1

Consider this structure:
C:\TMP\TEST
├───unknowndir1
│ │ nonuniquefile.txt
│ │ uniquefile.txt
│ │
│ ├───nonuniquesubdir
│ └───uniquesubdir
└───unknowndir2
│ nonuniquefile.txt
│
└───nonuniquesubdir
You could do cd .\test\*\uniquesubdir but you can't cd .\test\*\nonuniquesubdir as you'll gen an error (...) path (...) resolved to multiple containers. The same error is even with cd .\test\*\uniquesubdir\.. as if it didn't even check for existence of uniquesubdir.
So if you want to enter unknown directory based of a file it contains, you'd have to do something like this: cd (Get-Item .\test\*\uniquefile.txt).DirectoryName.
It will fail if you use nonuniquefile.txt as it again resolves to two different directories. You could enter the first of these directories with cd (Get-Item .\test\*\nonuniquefile.txt).DirectoryName[0] if you don't care which of them you use.