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Full Discussion: Crontab - URGENT pls
Top Forums UNIX for Dummies Questions & Answers Crontab - URGENT pls Post 6765 by cfoxwell on Wednesday 12th of September 2001 04:44:15 AM
Old 09-12-2001
I presume that you are using a shell script to run this back up.

What you could do is to do a test condition on the last command to see if was a success. zero being a success and anything else a fail.

For example

tar blah blah blah

if
[[ $? != 0 ]]

then
printf "There is a problem with the back up\n"
else
printf "The Backup Was Ok\n"
fi

I guess you could replace the printf with the command 'wall'
man wall for more details.

Hope this is of some help.
 

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CRON(8) 						      System Manager's Manual							   CRON(8)

NAME
cron - daemon to execute scheduled commands (Vixie Cron) SYNOPSIS
cron DESCRIPTION
Cron should be started from /etc/rc or /etc/rc.local. It will return immediately, so you don't need to start it with '&'. Cron searches /var/spool/cron for crontab files which are named after accounts in /etc/passwd; crontabs found are loaded into memory. Cron also searches for /etc/crontab and the files in the /etc/cron.d/ directory, which are in a different format (see crontab(5)). Cron then wakes up every minute, examining all stored crontabs, checking each command to see if it should be run in the current minute. When execut- ing commands, any output is mailed to the owner of the crontab (or to the user named in the MAILTO environment variable in the crontab, if such exists). Additionally, cron checks each minute to see if its spool directory's modtime (or the modtime on /etc/crontab) has changed, and if it has, cron will then examine the modtime on all crontabs and reload those which have changed. Thus cron need not be restarted whenever a crontab file is modified. Note that the Crontab(1) command updates the modtime of the spool directory whenever it changes a crontab. SEE ALSO
crontab(1), crontab(5) AUTHOR
Paul Vixie <paul@vix.com> 4th Berkeley Distribution 20 December 1993 CRON(8)
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