Thanks, this is very helpful
On Wednesday 21 July 2004 12:54, fooler wrote:
> ----- Original Message -----
> From: "alben benavente alteza" <[EMAIL PROTECTED]>
> To: "Philippine Linux Users Group Mailing List" <[EMAIL PROTECTED]>;
> "Michael Chaney" <[EMAIL PROTECTED]>
> Sent: Wednesday, July 21, 2004 9:25 AM
> Subject: Re: [plug] bash script that will run a program at a certain
> timeinterval
>
> >As much as possible I don't want to use cron. I want my script to be self
> >sufficient. I am also interested if such thing is possible.
>
> it is possible... below is a sample template script to emulate cron which
> wakes up every minute to see if there are jobs to be done...
>
> #!/usr/local/bin/bash
> while : ; do
>
> sDate=`date "+%w %m %d %H %M"`
>
> nDayOfTheWeek=${sDate:0:1}
> # Day Of The Week = 0 to 6
> # 0 as Sunday
>
> nMonth=${sDate:2:2}
> # Month = 01 to 12
>
> nDayOfTheMonth=${sDate:5:2}
> # Day Of The Month = 01 to 31
>
> nHour=${sDate:8:2}
> # Hour = 00 to 23
>
> nMinute=${sDate:11:2}
> # Minute = 00 to 59
>
> <your if then else statement goes here for first job>
> <another if then else statement here for the second job>
> <and so on and so forth>
>
> sleep 60
> done
>
> the if then else statement is a time comparison to invoke a particular
> job...
>
> for example.. if you want every 7 minutes a job to be executed, just use
> the variable nMinute and modulos it to 7... if the result is zero then
> execute that job... but of course, it is up to your logic and algorithm how
> to simplify things...
>
> fooler.
--
Alben Benavente Alteza
Information Systems Security and Internet Services Administration
Information Systems Department / Philippine Airlines
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