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Full Discussion: How to make a script run for a maximum of "x" number of hours only
Top Forums Shell Programming and Scripting How to make a script run for a maximum of "x" number of hours only Post 302116452 by blowtorch on Friday 4th of May 2007 02:29:10 AM
Old 05-04-2007
I am using the following function in one of my scripts:
Code:
sleep_wake_kill() {
        sleep 21600
        kill $(ptree $$ | awk '{if(NR>1) print $1 }')
}

I call this at the beginning of my code and put it in the background. The function will sleep for six hours, then wake up and kill everything that has anything to do with this process (including the login session).

Call it like this:
Code:
#!/usr/bin/ksh
### assuming that sleep_wake_kill function is already defined
sleep_wake_kill &
# rest of the code follows
...

-Edit
If anyone has another idea, I would love to hear it. I don't know if what I am doing is the best way to handle this.
 

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LEARN ABOUT DEBIAN

service

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

NAME

       service - run a System V init script

SYNOPSIS

       service SCRIPT COMMAND [OPTIONS]

       service --status-all

       service --help | -h | --version

DESCRIPTION

       service	runs a System V init script in as predictable an environment as possible, removing most environment variables and with the current
       working directory set to /.

       The SCRIPT parameter specifies a System V init script, located in /etc/init.d/SCRIPT.  The  supported  values  of  COMMAND  depend  on  the
       invoked	script.  service passes COMMAND and OPTIONS to the init script unmodified.  All scripts should support at least the start and stop
       commands.  As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the start  com-
       mand.

       service --status-all runs all init scripts, in alphabetical order, with the status command.

EXIT CODES

       service calls the init script and returns the status returned by it.

FILES

       /etc/init.d
	      The directory containing System V init scripts.

ENVIRONMENT

       LANG, TERM
	      The only environment variables passed to the init scripts.

SEE ALSO

       /etc/init.d/skeleton,
       update-rc.d(8),
       init(8),
       invoke-rc.d(8).

								     Jan 2006								service(8)
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