C:\>dir /s/b test
C:\test\sub
C:\test\sub\a

C:\>perl -e"unlink('//tribble05/c$/test/sub/a') or die $!"

C:\>dir /s/b test
C:\test\sub

C:\>perl -e"rmdir('//tribble05/c$/test/sub') or die $!"

C:\>dir /s/b test