Python删除同一个文件夹下的重复文件代码详解编程语言

#!/usr/bin/env python 
#coding: utf-8 
 
import md5 
import os 
from time import clock as now 
 
 
def getmd5(filename): 
    file_txt = open(filename, 'rb').read() 
    m = md5.new(file_txt) 
    return m.hexdigest() 
 
 
def main(): 
    path = u'C://aa/bb/cc/dd' 
    all_md5 = {} 
    all_size = {} 
    total_file = 0 
    total_delete = 0 
    start = now() 
    for file in os.listdir(path): 
        total_file += 1 
        real_path = os.path.join(path, file) 
        if os.path.isfile(real_path) == True: 
            size = os.stat(real_path).st_size 
            name_and_md5 = [real_path, ''] 
            if size in all_size.keys(): 
                new_md5 = getmd5(real_path) 
                if all_size[size][1] == '': 
                    all_size[size][1] = getmd5(all_size[size][0]) 
                if new_md5 in all_size[size]: 
                    total_delete += 1 
                    print u'删除', file 
                    try: 
                        os.remove(os.path.join(path, file)) 
                    except: 
                        print 'No such file: %s' % file 
                else: 
                    all_size[size].append(new_md5) 
            else: 
                all_size[size] = name_and_md5 
    end = now() 
    time_last = end - start 
    print u'文件总数: ', total_file 
    print u'删除个数: ', total_delete 
    print u'耗时: ', time_last, '秒' 
 
 
if __name__ == '__main__': 
    main()

参考：http://developer.51cto.com/art/201205/334378.htm

原文没有执行删除文件的操作：

try: 
    os.remove(os.path.join(path, file)) 
except: 
    print 'No such file: %s' % file

还是看官方文档靠谱

https://docs.python.org/2/library/os.html?highlight=os.remove#os.remove