[techtalk] cron race

[Kelly Lynn Martin]

On Sun, 9 Jan 2000 18:58:04 -0500 (EST), Kathy Hargreaves <kathryn at cs.umb.edu> said:

>On the days when two or more date conditions are met, I want the script
>to run first with the ``weekly'' option, then with the ``monthly'' one,
>then with the ``yearly'' one.  And I don't want to stagger the hours
>because for each condition, I need to archive the logs right on that
>boundary.

My advice is to run a script daily, which then decides what to run (if
anything).  You will get race conditions with cron: there is no
guarantee that two jobs scheduled for the same time will run in any
particular order.

Kelly

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