Bi-Weekly script Post: 302651595

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Top Forums Shell Programming and Scripting Bi-Weekly script Post 302651595 by RM1006 on Tuesday 5th of June 2012 09:28:41 PM

06-05-2012

Registered User

Bi-Weekly script

Hi,

I found the following biweekly script by searching google:

###############################################
why not schedule it weekly, cache the "date" of the last run to a
file, and then at the beginning of your shell script
compare the current date with the cached date and only approach to the
real code when they are two-week difference.
This logic should be very easy to implement in both cronjob and the
shell script.

Code:

#/bin/sh
 
BASEDIR=/path/to/cron/bin
CACHEFILE=$BASEDIR/lastrun.txt
TODAY=$(date +%F)
DAY14=$(date -d'-14 days' +%F)
 
if ! [ -s "$CACHEFILE" ]; then
date +%F > "$CACHEFILE"
else
LASTRUN=$(<"$CACHEFILE")
if [ "$DAY14" != "$LASTRUN" ]; then
echo "not scheduled"
exit
fi
echo "$TODAY" > "$CACHEFILE"
fi
 echo "program here"

####################################################
This line gives error when i use -x debug option, can someone please help me to fix this?

Quote:

+ date '-d-14 days' +%F

usage: date [-jnu] [-d dst] [-r seconds] [-t west] [-v[+|-]val[ymwdHMS]] ...
[-f fmt date | [[[[[cc]yy]mm]dd]HH]MM[.ss]] [+format]

Thanks
Sincerely,
RM

RM1006

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LEARN ABOUT NETBSD

weekly.conf

WEEKLY(5)						      BSD File Formats Manual							 WEEKLY(5)

NAME

     weekly, weekly.conf -- weekly maintenance

DESCRIPTION

     The /etc/weekly script is run, by default, every Saturday morning on a NetBSD system.  The /etc/weekly.conf file specifies which of the stan-
     dard weekly services are performed.

     The variables described below can be set to ``YES'' or ``NO'' in the /etc/weekly.conf file.  The default settings are in the
     /etc/defaults/weekly.conf file.  (Note that you should never edit /etc/defaults/weekly.conf directly, as it is often replaced during system
     upgrades.)

     rebuild_locatedb  This rebuilds the locate(1) database, /var/db/locate.database, which must also exist, in order to be rebuilt.

     rebuild_mandb     This rebuilds the apropos(1) database /var/db/man.db, using makemandb(8) with the -f option.

     rebuild_whatisdb  This rebuilds the whatis(1) database(s).  Note that NetBSD provides a default whatis.db for the system manual pages and
		       this may not be needed.	(Adjust your /etc/man.conf as necessary; see man.conf(5) for details.)

FILES

     /etc/weekly	weekly maintenance script
     /etc/weekly.conf	weekly maintenance configuration
     /etc/weekly.local	local site additions to /etc/weekly

SEE ALSO

     daily.conf(5), monthly.conf(5)

HISTORY

     The /etc/weekly script first appeared in 4.3BSD.  The /etc/weekly.conf configuration file appeared in NetBSD 1.3.

BSD
								   March 6, 2012							       BSD