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Shell Programming and Scripting
Shell Script Run Interval to be dynamic
Post 93506 by linuxpenguin on Monday 19th of December 2005 05:18:46 PM
12-19-2005
how bt executing a script at the end of your script which sets the env variable INTERVAL
dunno if cron or at can read env variables as its parameter, but if yes, then i guess this should do the trick
try these steps:
(my knowledge on cron is very very limited, so am really not sure if env variables are supported by cron)
INTERVAL=5 # first value
cron entry uses $INTERVAL
your script runs, at the end calls database qry to set INTERVAL to value from database.
lemme know if this works, I ll atleast know then if cron can accept environment parameters
dunno if cron or at can read env variables as its parameter, but if yes, then i guess this should do the trick
try these steps:
(my knowledge on cron is very very limited, so am really not sure if env variables are supported by cron)
INTERVAL=5 # first value
cron entry uses $INTERVAL
your script runs, at the end calls database qry to set INTERVAL to value from database.
lemme know if this works, I ll atleast know then if cron can accept environment parameters
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LEARN ABOUT OSF1
uudemon.cleanu
uudemon(4) Kernel Interfaces Manual uudemon(4) NAME
uudemon.admin, uudemon.cleanu, uudemon.hour, uudemon.poll - Administrative shell scripts for polling remote systems, cleaning up spool directories, reporting status to the system administrator, and routine invocations of the uuxqt and uusched daemons SYNOPSIS
These shell scripts reside in the following directory: /usr/lib/uucp DESCRIPTION
All the scripts can be run from the command line or can be run automatically by the cron daemon. To automatically run the scripts, remove the comment character (#) from the beginning of the relevant line in the /var/spool/cron/crontabs/uucp file. This script reports status to the system administrator. It issues the uustat command to find out the status of uucp jobs. It mails the results to the uucp login ID. The script may be modified to send mail to any login ID such as the uucp administrative login ID (uucpa) or root. This script cleans up the /var/spool/uucp and /var/spool/uucppublic directories by running the uucleanup command. The uucleanup com- mand is run with the following parameters: -C7, -D7, X2, -o2, -W1. This script runs the uusched and uuxqt daemons in the background. This script polls the systems listed in the /usr/lib/uucp/Poll file. The uudemon.poll script should be scheduled before the uudemon.hour script. This allows uudemon.poll to create any command files before cron runs the uudemon.hour script. FILES
Contains the uudemon.admin, uudemon.cleanu, uudemon.hour and uudemon.poll files. Contains the uucp file. RELATED INFORMATION
Commands: cron(8), uucleanup(8), uusched(8), uuxqt(1) Files: /usr/lib/uucp delim off uudemon(4)