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Full Discussion: End of Month - Cron Jobs
Top Forums Shell Programming and Scripting End of Month - Cron Jobs Post 302281335 by jthompson333 on Wednesday 28th of January 2009 04:33:16 PM
Old 01-28-2009
End of Month - Cron Jobs
I am running AIX 5.3 with the default shell as ksh.

I would like to know how to run a cron job on this system the last calendar day of the month. I found an example, but, I'm not sure if it will work with AIX and ksh...

Code:
02 16 * * * [ $(date +%d) -eq $(echo $(cal) | awk '{print $NF}') ] && /home/user/job-eom.ksh

I also need to be able to run a job on every day except the last calendar of the month (actually a series of jobs, but, I assume I can adopt the syntax for multiple jobs).

So to summarize:

I would like to run the following jobs where specified EXCEPT on the LAST calendar day of the month.

Code:
50   21   *   *   *   /home/user/eod-job1.ksh
00   22   *   *   *   /home/user/eod-job2.ksh
10   22   *   *   0   /home/user/eod-job3.ksh
10   22   *   *   1-4   /home/user/eod-job4.ksh
00   23   *   *   1   /home/user/eod-job5.ksh
10   22   *   *   5-6   /home/user/eod-job6.ksh
50   4    *   *   *   /home/user/eod-job7.ksh

And I would like to run another job ON the LAST calendar day of the month, and probably a couple of others...

Code:
45   20   *   *   *   /home/user/eom-job1.ksh

I'm also fairly new at shell scripting, etc., especially ksh.
 

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LEARN ABOUT MOJAVE

let

let(1)                                                             User Commands                                                            let(1)

NAME

       let - shell built-in function to evaluate one or more arithmetic expressions

SYNOPSIS

   ksh
       let arg...

DESCRIPTION

   ksh
       Each arg is a separate "arithmetic expression" to be evaluated.

EXIT STATUS

       The following exit values are returned:

       0        The value of the last expression is non-zero.

       1        The value of the last expression is zero.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+

SEE ALSO

       ksh(1), set(1), typeset(1), attributes(5)

SunOS 5.10                                                          15 Apr 1994                                                             let(1)
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