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Full Discussion: Writing a script to run weekly/monthly - check for weekday or day-of-the-month
Top Forums Shell Programming and Scripting Writing a script to run weekly/monthly - check for weekday or day-of-the-month Post 302623665 by newbie_01 on Saturday 14th of April 2012 09:23:26 AM
Old 04-14-2012
Writing a script to run weekly/monthly - check for weekday or day-of-the-month
Hi all,

I currently have a UNIX file maintenance script that runs daily as a cron job.

Now I want to change the script and create functions/sub inside it that runs on a weekly or monthly basis.

To run all the scripts' daily maintenance, I want to schedule it in cron as simply maint.sh when it runs all of its daily maintenance. To run its weekly maintenance functions/subs, I schedule it as maint.sh weekly=6 where 6 is saturday. To run its monthly task, I schedule it as maint.sh monthly=15, i.e. every 15th of the month. Not sure whether I can do monthly=eom where eom is to run functions/sub for every end of the month.

At the moment, am playing around with the weekly functions/sub and what I've done so far is to do something like below

Code:
 
day_of_the_week=`date '+%A' | tr "[:upper:]" "[:lower:]"`
day_of_the_week_n=""
date_of_the_month=`date '+%d'`
 
case "${day_of_the_week}" in
   "monday" )
      day_of_the_week_n=1 ;;
   "tuesday" )
      day_of_the_week_n=2 ;;
   "wednesday" )
      day_of_the_week_n=3 ;;
   "thursday" )
      day_of_the_week_n=4 ;;
   "friday" )
      day_of_the_week_n=5 ;;
   "saturday" )
      day_of_the_week_n=6 ;;
   "sunday" )
      day_of_the_week_n=0 ;;
esac

Then I compare the day_of_week_n variable with the value of the command below:

Code:
 
echo ${1} | grep "weekly" | cut -f2 -d=

And then I use if-then-else to compare if current day of the week matches, then it will run the weekly functions/sub. So weekly=6 will run saturday's functons/sub, weekly=1 will run monday's functions/sub and so on.

Am wanting to know if there is a better way of parsing for the day of the week besides what am doing at the moment which is using case and then doing if-then-else to check for the day of the week.

For the monthly functions/sub, I uses the value of the one below and uses if-then-else again to compare it when monthly=15.

Code:
 
date_of_the_month=`date '+%d'`

Perhaps anyone can advice if there is any way I can check for end of month?

Any advice much appreciated. Thanks in advance.
 

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LEARN ABOUT DEBIAN

sarg-reports

SARG-REPORTS(1) 					      General Commands Manual						   SARG-REPORTS(1)

NAME

       sarg-reports - Daily/Weekly/Monthly squid usage reports creation tool

SYNOPSIS

       sarg-reports [OPTIONS]

DESCRIPTION

       This manual page documents briefly the sarg-reports command.

       sarg-reports is a script written to automate the SARG (a powerful squid log analyzer) reports and log management.  Sarg it self, provide to
       end user a generic interface to create reports based on squid access log (begin of log to current date).  sarg-reports is useful because it
       allow you to easly create and manage Daily, Weekly and Monthly reports.

OPTIONS

       A summary of options is included below.

       manual
	      Create Manual report

       today  Create Today report

       daily  Create Daily report

       weekly Create Weely report

       monthly
	      Create Monthly report

CRONTAB

       If  you	want  the  reports can be generated automatically insert the following lines (the today report creation time depend mostly of your
       sarg server load average, tune it):

       PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
       00 08-18/1 * * * sarg-reports today
       00 00	  * * * sarg-reports daily
       00 01	  * * 1 sarg-reports weekly
       30 02	  1 * * sarg-reports monthly

       REMEMBER: if you use logrotate, configure it to rotate the logs within MONTHLY basis, AFTER sarg-reports created the monthly html report.

VARIABLES

       Check before using the sarg-reports that the following variables are set to file /etc/sarg/sarg.conf

       SARG
	      The sarg executable location

       CONFIG
	      The sarg main configuration file location

       HTMLOUT
	      Location where will be saved the reports

       PAGETITLE
	      The title of main index page

       LOGOIMG
	      Image logo to view in main index page

       LOGOLINK
	      HTTP web page link of logo

       DAILY
	      Word 'daily' translation, translate it to your language

       WEEKLY
	      Word 'weekly' translation, translate it to your language

       MONTHLY
	      Word 'monthly' translation, translate it to your language

       EXCLUDELOG1
	      Exclude text from cron emails (normally, sarg, during cron activity, if it don't find any valid records,

       EXCLUDELOG2
	      It will output an error message (usually on 'today' reports). I don't want to be warned by email about this, so, i wrote the  'text'
	      that will be never logged. This is useful to receive email of real problems only.

AUTHOR

       sarg-reports was written by Ugo Viti <ugo.viti@initzero.it>

       This manual page was written by Juan Angulo Moreno <juan@apuntale.com>, for the Debian project (but may be used by others).

								   may 17, 2008 						   SARG-REPORTS(1)
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