tree

#!/usr/bin/env python

"""
A poor man's directory tree for systems without the `tree` command.

:Author:    Jon-Michael Deldin <dev@jmdeldin.com>
:Date:      2009-03-19 19:03 -0600
"""

import sys
import os

def main():
    # CONFIG:
    # directories to ignore
    ignore = ['.hg', '.git', '.svn']
    # listing separator
    separator = '| '

    try:
        dir = sys.argv[1]
    except:
        dir = '.'
    draw_tree(dir, ignore, separator)


def draw_tree(base_dir, ignore, separator):
    """
    Prints a directory tree.
    """
    base_dir = base_dir.rstrip('/')

    for root, dirs, files in os.walk(base_dir):
        for dir in dirs:
            if dir in ignore:
                dirs.remove(dir)
        level = root.count(os.sep)
        print separator * level + separator + os.path.basename(root) + '/'
        for file in files:
            print separator * (level + 1) + separator + file

if __name__ == '__main__':
    main()