求linux主机每隔半小时自动运行一个python脚本的方法
大家讲道理
大家讲道理 2017-04-17 13:48:01
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写了一个python脚本,查询网上某款商品的价格,想挂在云主机上每隔半小时运行一次,求这种定时循环运行python脚本的方法 :)

大家讲道理
大家讲道理

光阴似箭催人老,日月如移越少年。

reply all(4)
迷茫
$ cat /etc/crontab

SHELL=/bin/bash
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root
HOME=/

# For details see man 4 crontabs

# Example of job definition:
# .---------------- minute (0 - 59)
# |  .------------- hour (0 - 23)
# |  |  .---------- day of month (1 - 31)
# |  |  |  .------- month (1 - 12) OR jan,feb,mar,apr ...
# |  |  |  |  .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# |  |  |  |  |
# *  *  *  *  * user-name command to be executed

Half an hour is:

*/30 * * * * xx.py

Thanks @Drazzi

There are many specific usages online, you can refer to: http://www.cnblogs.com/peida/archive/2013/01/08/2850483.html

伊谢尔伦

Give you a keyword: cron

小葫芦

Crontab writes a scheduled task

Ty80

Python
Give me an informal
Write an infinite loop, and then the loop body sleeps for the last 30 minutes

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