Python 創建文件備份

一個簡單的例子，A byte of Python的例子，利用系統自帶的命令創建某些文件的備份，放入指定的目錄中。

簡單功能已具有，先記下，今後可以和網盤接口連接。

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import os import time   source = ['/home/dat/python/test1','/home/dat/python/test2']   target_dir = '/home/dat/python/'   today = target_dir+time.strftime('%Y%m%d') now = time.strftime('%H%M%S')     comment = raw_input('Enter a comment:') if len(comment) == 0:     target = today+os.sep+now else:     target = today+os.sep+now+'_'+comment.replace(' ','_')+'.zip'   if not os.path.exists(today):     os.mkdir(today)     print 'successfully created directory',today   tar_command = 'tar -cvzf %s %s -X /home/dat/python/excludes.txt' % (target, ' '.join(source))   if os.system(tar_command)==0:     print 'Success back to',target else:     print 'Back up Failed'