#!/usr/bin/python

#Filename: backup.py import os import time

source_dir='/usr/local/'

source=['nagios','src']

target_dir='/home/zhangjin/'

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+'.zip' else:         target=today+os.sep+now+'_'+comment.replace(' ','_')+'.zip' if not os.path.exists(today):         os.mkdir(today)         print 'Successfully created diretory',today command='cd %s && tar cf %s %s' %(source_dir,target,' '.join(source))

if os.system(command)==0:

        print 'Successful backup to',target else:         print 'Backup failed!'

学习Python的第一个小程序。