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Full Discussion: Rerun a cronjob if it doesn't work at first.
Top Forums Shell Programming and Scripting Rerun a cronjob if it doesn't work at first. Post 302444384 by libertyforall on Wednesday 11th of August 2010 07:18:53 PM
Old 08-11-2010
Rerun a cronjob if it doesn't work at first.
I want to add a line to the script that searches for a file. If the file does not exist, I need to kill the cronjob and run it again in one hour. I am running the program and 2 am and 2pm. I would want the job to run again at 3am and 3pm respectively. How could I do this and still keep the cronjob running twice daily if I killed it once? The cronjob simply runs one file. example
Code:
sh filebatch.sh

. Then filebatch.sh runs several other files, example
Code:
 $sh filebatch2.sh $sh filebatch3.sh $sh filebatch4.sh

. Filebatch2.sh is a script that uses wget to pull files that I need to run the program. If the files are not ready, I want it to kill the entire job and run it again in 1 hour. I would like to put the line of code right after the command
Code:
 wget file1

. How would I do this. I think I am using a linux machine with a c shell. See below.

Code:
[rhuff@huina working]$ echo $SHELL
/bin/csh



---------- Post updated at 01:18 PM ---------- Previous update was at 12:09 PM ----------

Looks like I also have bash installed on the box. It looks like when I use an sh command it runs bash
 

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LEARN ABOUT SUSE

gst-complete

gst-complete-0.8(1)						   User Commands					       gst-complete-0.8(1)

NAME

       gst-complete-0.8, gst-complete - perform bash completion for gst-launch command lines

SYNOPSIS

       complete -Cgst-complete-0.8 gst-launch

       gst-complete [--gst-list-mm] [--gst-mm=string] [--print]

DESCRIPTION

       gst-complete-0.8 enables bash to provide context-sensitive tab completion for gst-launch command lines. See gst-launch(1) for the syntax of
       gst-launch command lines.

       You must have a version of bash that supports programmable completion. Such versions of bash provide the complete built-in command.

       gst-complete is a wrapper script that runs the latest installed version of gst-complete-X.X. For example, if both gst-complete-0.7 and gst-
       complete-0.8 are installed on your system, gst-complete runs gst-complete-0.8.

OPTIONS

       The following options are supported by gst-complete-0.8 and gst-complete:

       --help	       Display detailed usage message. You can also use -? to specify this option.

       The following options are supported by gst-complete only:

       --gst-list-mm   List found major/minor versions. This option displays the versions that are available.

       --gst-mm=string Force  major/minor  version.  This  option  enables you to specify a specific version to run, if you do not want to run the
		       default version.

       --print	       Print wrapped command line. This option displays the command that will be run, and then runs the command.

EXAMPLES

       Example 1: Generating the Registry of Available Plugins by Running gst-compprep

       Run the following command in your .bash_profile or other appropriate place:

       example% complete -C gst-complete-0.8 gst-launch

       Example 2: Running the Wrapper Script and Displaying the Command Name

       example% gst-complete --print
       /usr/bin/gst-complete-0.8

FILES

       The following files are used by this application:

       /usr/bin/gst-complete-0.Executable for bash completion for gst-launch

       /usr/bin/gst-complete   Wrapper script that runs the latest installed version of gst-complete-X.X

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWgnome-media		   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |External			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       gst-compprep(1), gst-feedback(1), gst-inspect(1), gst-launch(1), gst-launch-ext(1), gst-md5sum(1), gst-register(1), gst-thumbnail(1),  gst-
       typefind(1), gst-xmlinspect(1), gst-xmllaunch(1), gstreamer-properties(1), libgstreamer-0.8(3), libgstgetbits(3)

NOTES

       Original man page written by the GStreamer team at http://gstreamer.net/.

       Updated by Brian Cameron, Sun Microsystems Inc., 2004.

SunOS 5.10							    14 Oct 2004 					       gst-complete-0.8(1)
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