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Top Forums Shell Programming and Scripting Help in running two processes in parellel Post 302386750 by ss3944 on Wednesday 13th of January 2010 12:02:27 PM
Old 01-13-2010
Data Help in running two processes in parellel

I have a script something like this:

Code:
#!/usr/bin/ksh

CLASSPATH=/apps/opt/db2udb/admin/db2bdt/sqllib/java/db2java.zip:/apps/opt/db2udb/admin/db2bdt/sqllib/java/db2jcc.jar:/apps/opt/db2udb/admin/db2bdt/sqllib/function:$CLASSPATH

export CLASSPATH

LD_LIBRARY_PATH=/apps/opt/db2udb/admin/db2bdt/sqllib/lib32:/apps/opt/db2udb/admin/db2bdt/sqllib/lib64:$LD_LIBRARY_PATH

export LD_LIBRARY_PATH

./extractFile.sh

./loadFiles_new.sh

I have another script in "loadFiles_old.sh"

Code:
./loadFiles_old.sh


The first script is scheduled in a Cron job to be run every morning at 6 AM. In the script, after the "extractFile.sh" process is completed, along with "loadFiles_new.sh", loadFiles_old.sh should also be run. That means, loadFiles_new.sh and loadFiles_old.sh should be kicked off at the same time. And the should be kicked off, only after the extractFile.sh job is completed. This whole script has to run automatically, without any manual intervention.

In a nutshell, the process is like this.... According to the scheduled time, that is 6 AM in the morning, the script will be run.. once the "extractFile.sh" job is completed, "loadFiles_new.sh" will be run.. At the same time when "loadFiles_new.sh" process has begun, "loadFiles_old.sh" should also be kicked off. Please help me in writing a logic on how to coordiante these two processes to be run in parallel?

Can someone help me out in cracking this...
Help is appreciated. Thanks in advance!!
 

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times(1)							   User Commands							  times(1)

NAME
times - shell built-in function to report time usages of the current shell SYNOPSIS
sh times ksh times DESCRIPTION
sh Print the accumulated user and system times for processes run from the shell. ksh Print the accumulated user and system times for the shell and for processes run from the shell. On this man page, ksh(1) commands that are preceded by one or two * (asterisks) are treated specially in the following ways: 1. Variable assignment lists preceding the command remain in effect when the command completes. 2. I/O redirections are processed after variable assignments. 3. Errors cause a script that contains them to abort. 4. Words, following a command preceded by ** that are in the format of a variable assignment, are expanded with the same rules as a vari- able assignment. This means that tilde substitution is performed after the = sign and word splitting and file name generation are not performed. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
ksh(1), sh(1), time(1), attributes(5) SunOS 5.10 15 Apr 1994 times(1)
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