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Top Forums UNIX for Advanced & Expert Users script with a sequence of nohups Post 302340705 by amen_corner on Tuesday 4th of August 2009 08:24:04 AM
Old 08-04-2009
not there yet

I tried

nohup math < chain1.m ; sleep 5 && nohup math < chain2.m &

and did not do what I wanted. The question is math < chain 1. m takes more than 5 secs. So I guess I would have to calculate how long it is going to take and use this value in sleep.

What I need is something that works even if the time it takes to finish the first process in not known.

Thanks
 

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IVMAN-LAUNCH(8) 					      System Manager's Manual						   IVMAN-LAUNCH(8)

NAME
ivman-launch - launch script for Ivman SYNOPSIS
ivman-launch [ --exit-with-session <cmd> ] [ OPTIONS ] [ COMMAND [ ARGS... ]] DESCRIPTION
ivman-launch is a simple script used to launch Ivman. Its sole purpose is to ensure Ivman is closed at the end of a user's login session. You can use it if your session manager does not properly close Ivman when you log out. ivman-launch supports the same command-line options as Ivman, and one additional option: --exit-with-session. Thus, there is no point using ivman-launch if you do not need to use this option. If you supply a COMMAND (with optional ARGS), the the specified command will be run after ivman is started, and ivman will be killed after that command exits. OPTIONS
--exit-with-session <cmd> ivman-launch will block until the command 'cmd' terminates, at which point it will kill Ivman and exit itself. If the command 'cmd' is not running when ivman-launch is started, Ivman will exit immediately. Note that this option implies Ivman will be called with the '--nofork' option. option. --debug --nofork --system These flags be passed to the launched ivman command. EXAMPLES
ivman-launch --exit-with-session xinit & The ivman process will be started, then the xinit process is watched. When the xinit process exits, ivman is killed. Placing this command in an ~/.xinitrc file would cause Ivman to launch in the background when your session begins, and exit when your session ends: ivman-launch /usr/bin/x-window-manager The ivman process is launched, then /usr/bin/x-window-manager is run, when x-window-manager exits, ivman is killed. This is an example of how ivman might be launched from Xsession in order to chain several programs together in one session. SEE ALSO
ivman(8) Xsession(5) CREDITS
This script was written by Daniele Favara. 10 February 2006 IVMAN-LAUNCH(8)
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