SUBDIR *new*

Recursively search for files and/or directorys under given folder without using of global variables.

SUBDIR
returns all subfolder under current path.
P = SUBDIR('directory_name')
stores all subfolders under given directory into a variable 'P'

[P F] = SUBDIR('directory_name')
stores all subfolders under given directory into a
variable 'P' and all filenames into a variable 'F'.
use sort([F{:}]) to get sorted list of all filenames.