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Full Discussion: Script that waits until a call is done
Top Forums Shell Programming and Scripting Script that waits until a call is done Post 302346401 by gseyforth on Friday 21st of August 2009 07:53:53 PM
Old 08-21-2009
Script that waits until a call is done
Hi all,

I have a script that checks for the existence of files in a directory. Problem is,
if a file suddenly appears, I need to move it to another directory and then
call another program that does not import routines (within our DBMS).

Now, this script is ever running and uses the sleep command to run every
second. Now, how would I be able to run the called process and wait
until it is done. I've tried the wait command, but its not successful as I
believe a new PID is being generated.

Here's what i have so far: (mind you, its messy)

Thanks!


#!/bin/ksh
# destscan_daemon - Program runs as a faux-service and looks for any files in the
# pickup directory designated in config. file and processes
# data in filePro. Results are dropped off in a directory
# also designated in config.
#
# usage: destscan_daemon [runs as daemon/service]
#---------------------------------------------------------------------------
# set script configuration file
#---------------------------------------------------------------------------
CfgFile="/usr/local/bin/destscan_daemon.cfg"

#---------------------------------------------------------------------------
# read configuration file & variable declarations info script
#---------------------------------------------------------------------------
if [ -s "${CfgFile}" ] ; then
. $CfgFile
else
echo "Could not start service! Configuration file missing!" >&2
exit 0
fi
#---------------------------------------------------------------------------
# start service. if anything exists in pickup, start processing
#---------------------------------------------------------------------------
Pickup="/u/pickup"
ProcDir="/u/process"
DoImport="my command to import"
Stat=1

if [ -d "${Pickup}" ] ; then
while true ; do
ls $Pickup -1 | while read line ; do
set ${line} ; EdiFile=$1
if [ $EdiFile != "" ] ; then
Stat=2
mv $Pickup/$EdiFile $ProcDir/$EdiFile
InFile=$ProcDir/$EdiFile ; export InFile
$DoImport
Stat=1 ; wait
fi
done
if [ $Stat != 2 ] ; then
sleep 1
fi
done

else
echo "Could not start service! $Pickup directory missing!" >&2
fi
 

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LEARN ABOUT CENTOS

test::script

Test::Script(3) 					User Contributed Perl Documentation					   Test::Script(3)

NAME

       Test::Script - Basic cross-platform tests for scripts

DESCRIPTION

       The intent of this module is to provide a series of basic tests for 80% of the testing you will need to do for scripts in the script (or
       bin as is also commonly used) paths of your Perl distribution.

       Further, it aims to provide this functionality with perfect platform-compatibility, and in a way that is as unobtrusive as possible.

       That is, if the program works on a platform, then Test::Script should always work on that platform as well. Anything less than 100% is
       considered unacceptable.

       In doing so, it is hoped that Test::Script can become a module that you can safely make a dependency of all your modules, without risking
       that your module won't on some platform because of the dependency.

       Where a clash exists between wanting more functionality and maintaining platform safety, this module will err on the side of platform
       safety.

FUNCTIONS

   script_compiles
	   script_compiles( 'script/foo.pl', 'Main script compiles' );

       The "script_compiles" test calls the script with "perl -c script.pl", and checks that it returns without error.

       The path it should be passed is a relative unix-format script name. This will be localised when running "perl -c" and if the test fails the
       local name used will be shown in the diagnostic output.

       Note also that the test will be run with the same perl interpreter that is running the test script (and not with the default system perl).
       This will also be shown in the diagnostic output on failure.

   script_runs
	   script_runs( 'script/foo.pl', 'Main script runs' );

       The "script_runs" test executes the script with "perl script.pl" and checks that it returns success.

       The path it should be passed is a relative unix-format script name. This will be localised when running "perl -c" and if the test fails the
       local name used will be shown in the diagnostic output.

       The test will be run with the same perl interpreter that is running the test script (and not with the default system perl). This will also
       be shown in the diagnostic output on failure.

SUPPORT

       All bugs should be filed via the bug tracker at

       <http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Test-Script>

       For other issues, or commercial enhancement and support, contact the author.

AUTHOR

       Adam Kennedy <adamk@cpan.org>

SEE ALSO

       prove, <http://ali.as/>

COPYRIGHT

       Copyright 2006 - 2009 Adam Kennedy.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

       The full text of the license can be found in the LICENSE file included with this module.

perl v5.16.3							    2009-11-24							   Test::Script(3)
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