In article
,
ThatSeattleguy wrote:

> I'd like to schedule a job that runs:
>
> - every two minutes during the workday (7am-7pm, M-F)
> - every hour at all other times (nights, weekends)
>
> I came up with the following set of three crontab entries, but I have
> to believe there's a shorter or at least more elegant way to do this.
>
> */2 7-19 * * mon-fri root /scripts/myscript
> 01 0-7,19-23 * * mon-fri root /scripts/myscript
> 01 * * * sat-sun root /scripts/myscript
>
>
> Feel free to further my education... thanks.
>
> -tsg-

That seems to be the best approach. The varying granularity of your
time requirements precludes running myscript with scheduling smarts
built in. I'd also put logic in the script to ensure it's not run
multiple times during the day by checking that it's not already running
somehow (e.g. myscript creates a lock file when it starts and deletes it
when it exits and exits if the lock file exists when it starts).

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