Recursive File System Traversal

filefoldertraversalrecursion.py

# Adapted from - http://openbookproject.net/thinkcs/python/english3e/recursion.html

def get_dirlist(path):
    """
      Return a sorted list of all entries in path.
      This returns just the names, not the full path to the names.
    """
    try:
        dirlist = os.listdir(path)
        dirlist.sort()
        return dirlist
    except:
        return []
def print_files(path, prefix = ""):
    """ Print recursive listing of contents of path """
    if prefix == "":  # Detect outermost call, print a heading
        print("Folder listing for", path)
        prefix = "| "

    dirlist = get_dirlist(path)
    for f in dirlist:
        print(prefix+f)                    # Print the line
        fullname = os.path.join(path, f)   # Turn name into full pathname
        if os.path.isdir(fullname):        # If a directory, recurse.
            print_files(fullname, prefix + "| ")

print_files("c:\\") # Replace with the folder / drive path you want to traverse