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Full Discussion: Kill shell script when host program not running/disk unmounted
Top Forums Shell Programming and Scripting Kill shell script when host program not running/disk unmounted Post 302358273 by ripat on Friday 2nd of October 2009 01:34:16 AM
Old 10-02-2009
Quote:
Originally Posted by pcwiz
However this polling wastes resources, so is there a better way to do this?
I wouldn't call this a waste of resources. All it takes is a ps and df commands which are not known as being particularly greedy.

You could maybe better target the .app application by using the -C option if provided by your OS:
Code:
if ps -C firefox-bin ;then
   echo "Firefox running"
fi

Just to make sure that I understand your question correctly: the application you are checking, is that the script itself or an external application?

If it is the very same script you want to check the running status of, you can just use a file as a lock. You create a empty file at the beginning of the script and rm it at the end.
 

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LEARN ABOUT OPENSOLARIS

firefox

firefox(1)							   User Commands							firefox(1)

NAME

       firefox - Firefox for Sun Java Desktop System

SYNOPSIS

       firefox [options ... ] [url]

DESCRIPTION

       Firefox	is  a  free, open-source web browser based on the Mozilla codebase.  It is small, fast and easy to use, and offers many advantages
       over other browsers, such as the ability to block pop-up windows.

OPTIONS

       The following options are supported:

       -height value	       Set the height of startup window to value.

       -h or -help	       Display the help message.

       -width value	       Set the width of startup window to value.

       -v or -version	       Display the version message.

       -P profile	       Start with the profile named: profile.

       -ProfileManager	       Start with profile manager.

       -UILocale locale        Start with the UI Locale listed: locale.

       -safe-mode	       Disables extensions and themes for this session.

       -jsconsole	       Open the JavaScript console.

       -browser 	       Open a browser window.

       -setDefaultBrowser      Set this app as the default browser.

EXAMPLES

       Example 1: Launching Firefox

       example% firefox

EXIT STATUS

       The following exit values are returned:

       0	Application exited successfully

       1	Application exited with failure

FILES

       The following files are used by this application:

       /usr/bin/firefox

	   Executable for Firefox application

       $HOME/.mozilla/firefox

	   User configuration files for Firefox

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWfirefox		   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |Volatile			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       For more information about firefox, please refer to http://www.mozilla.org/firefox

       Refer to Help->Help Contents for more information.

NOTES

       Updated by Evan Yan, Sun Microsystems Inc., 2008.

SunOS 5.11							    10 Jul 2008 							firefox(1)
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