Gets the common parts in all paths

[Davider]

Hi,
Is there an easy way to get the common parts of all paths? 
In the following example, I expect the output to be
C:\Users\Administrator\Desktop\Test0\DEF\

Thanks in advance for any advice and help
david
 

 C:\Users\Administrator\Desktop\Test0\DEF\A
 C:\Users\Administrator\Desktop\Test0\DEF\B
 C:\Users\Administrator\Desktop\Test0\DEF\1.txt
 C:\Users\Administrator\Desktop\Test0\DEF\2.txt

Macro Macro2

Code:

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_s=
;C:\Users\Administrator\hello
;C:\Users\Administrator\hello\B
;C:\Users\Administrator\hello\C\a.bat
;C:\Users\Administrator\hello\B\1.txt
;C:\Users\Administrator\Desktop\Test0\DEF\A
;C:\Users\Administrator\Desktop\Test0\DEF\B
;C:\Users\Administrator\Desktop\Test0\DEF\1.txt
;C:\Users\Administrator\Desktop\Test0\DEF\2.txt

;Todo: Gets the common parts in all paths
;C:\Users\Administrator\hello
;C:\Users\Administrator\Desktop\Test0\DEF\