python刪除N天前檔案

注：

檔案最近修改時間 ：os.path.getmtime(file)

檔案建立時間：os.path.getctime(file)

檔案最近訪問時間：os.path.getatime(file)

import os
import sys
import time

def remove_files(breday, path):
    bretime = time.time() - 3600 * 24 * breday
    
    for file in os.listdir(path):
        filename = path + os.sep + file
        if os.path.getmtime(filename) < bretime:
            try:
                if os.path.isfile(filename):
                    os.remove(filename)
                elif os.path.isdir(filename):
                    os.removedirs(filename)
                else:
                    os.remove(filename)
                print "%s remove success." % filename
            except Exception as error:
                print error
                print "%s remove faild." % filename
          

if __name__ == "__main__":
    try:
        path = sys.argv[1]
        breday = int(sys.argv[2])
        removefiles(breday, path)
    except Exception as e:
        print e
        sys.exit(-1)