A simple CRON question 1

[webdev007]

I need to run a PHP script every day, once every 3 hours
before doing it wrong I would like verifying if I my syntax is fine:
* 3,6,9,12,15,18,21,24 * * * wget ..etc...php
Are the hours set correctly
It works fine when I test it every 5 minutes but before running further tests I would like to know if my syntax is ok
Thanks
Regards.

 

[zeland]

I think you can shorten it to * */3 * * * wget ..etc...php.

--== Anything can go wrong. It's just a matter of how far wrong it will go till people think its right. ==--

 

[zeland]

Should have double checked my post first. You should really specify a value for minutes (the first *) else your script will be triggered every minutes (somebody correct me if I'm wrong). So your should have something like 0 */3 * * * wget ..etc...php

--== Anything can go wrong. It's just a matter of how far wrong it will go till people think its right. ==--

 

[webdev007]

Thanks Zeland, I will run it!

 

[webdev007]

Thanks again I fired my "thanks" before your second message

 

[KenCunningham]

For those without the */3 functionality (some older variations of *nix), you would probably need to specify midnight as 00 rather than 24.

I want to be good, is that not enough?