import sys, re, urllib2

reg_file_line = re.compile('<a href="([^"]*)">', re.I)

def listdir(path):
    ret = []
    f = urllib2.urlopen(path)
    for line in f.readlines():
      r = reg_file_line.search(line)
      if r and r.group(1)!='../':
        ret.append(r.group(1).rstrip('\n'))
    return ret