base/
 dir1/
  file1.txt
  a.png
  dir2/
   b.txt
  q.txt
 dir3/
  a.png
 f.txt

etc.

##</code><code>##

base/dir1/file1.txt
base/dir1/a.png
base/dir1/dir2/b.txt
base/dir1/q.txt

etc.

##</code><code>##

base/
 dir1/
  a.txt

##</code><code>##

base/
base/dir1/
base/dir1/a.txt
base/b.txt