#!/usr/bin/python

def Walk( root, recurse=0, pattern='*', return_folders=0 ):
   import fnmatch, os, string

   # initialize
   result = []

   # must have at least root folder
   try:
      names = os.listdir(root)
   except os.error:
      return result

   # expand pattern
   pattern = pattern or '*'
   pat_list = string.splitfields( pattern , ';' )

   # check each file
   for name in names:
      fullname = os.path.normpath(os.path.join(root, name))

      # grab if it matches our pattern and entry type
      for pat in pat_list:
         if fnmatch.fnmatch(string.lower(name), string.lower(pat)):
            if os.path.isfile(fullname) or (return_folders and os.path.isdir(fullname)):
               result.append(fullname)
            continue

      # recursively scan other folders, appending results.  I have changed this
      #  so case does not matter
      if recurse:
         if os.path.isdir(fullname) and not os.path.islink(fullname):
            result = result + Walk( fullname, recurse, pattern,
               return_folders )

   return result

# find all image files
if __name__ == '__main__':
   # test code
   print '\nExample 1:'
   files = Walk('/home/httpd/twiki/pub/Test', 1, '*.jpg;*.gif;*.jpeg;*.png;*.bmp', 0)
   for file in files:
      print file
   print 'There are %s files below current location:' % len(files)

-- MattWalsh - 03 Sep 2003