Problem in Running Script


 
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Top Forums Shell Programming and Scripting Problem in Running Script
# 15  
Old 09-05-2005
I have told you: "man cron" and read the output.

to run it every 5th minute:

0,5,10,15,20,25,30,35,40,45,50,55 * * * * /tmp/cache.sh

You could have read that there instead of asking here.

but again, this still may not work because your script doesn't have any environment settings when it is called from cron. When you call it in your shell, it inherits all the environment from it (issue "env" to see it), when you let cron call it it gets nothing and is left to what it sets by itself.

Ok, 'nuff said. I won't answer any more questions before you don't even attempt to get the answers yourself. I'm glad to help, but I'm a lousy man-page-replacement

bakunin
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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)