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文件多了亂放，突然有一天發現硬盤空間不夠了，于是寫了個python腳本搜索所有大于10MB的文件，看看這些大文件有沒有重復的副本，如果有，全部列出，以便手工刪除

使用方式加一個指定目錄的參數

比如python redundant_remover.py /tmp

主要用到了stat模塊，os、sys系統模塊

				?

									import os, sys

									#引入統計模塊

									from stat import *

									BIG_FILE_THRESHOLD = 10000000L

									dict1 = {}  # filesize 做 key, filename 做 value

									dict2 = {}   # filename 做 key, filesize 做 value

									def treewalk(path):

									  try:

									    for i in os.listdir(path):

									      mode = os.stat(path+"/"+i).st_mode

									      if S_ISDIR(mode) <> True:

									        filename = path+"/"+i

									        filesize = os.stat(filename).st_size

									        if filesize > BIG_FILE_THRESHOLD:

									          if filesize in dict1:           

									            dict2[filename] = filesize

									            dict2[dict1[filesize]]=filesize

									          else:

									            dict1[filesize] = filename         

									      else:

									        treewalk(path+"/"+i)

									  except WindowsError:

									    pass

									def printdict(finaldict):

									  for i_size in finaldict.values():

									    print i_size

									    for j_name in finaldict.keys():

									      if finaldict[j_name] == i_size:

									        print j_name

									    print "\n"

									if __name__=="__main__":

									  treewalk(sys.argv[1])

									  printdict(dict2)