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Full Discussion: [Solved] Running scripts in parallel
Top Forums Shell Programming and Scripting [Solved] Running scripts in parallel Post 302737487 by only4satish on Thursday 29th of November 2012 11:16:18 AM
Old 11-29-2012
Code:
 
scriptA.sh
touch letsgotempfile_$(date +'%Y%m%d%')

Code:
 
$ more scriptB.sh
#!/usr/bin/ksh
log_path='/data/mig04/logs'
timestamp=$(date +'%Y%m%d%')
while [ ! -f  /letsgotempfile_$(date +'%Y%m%d%') ]
do
sleep  5
echo " sleeping for 5 sec .............."
done
echo " Going to start B ........."
exit 0

above code is working !!!!!................

i can not invoke scriptB in script A because for both scripts i am passing diffrent parameters

---------- Post updated at 09:46 PM ---------- Previous update was at 04:04 PM ----------

thanks everyone for ur valuable inputs ........script is working fine Smilie

Moderator's Comments:
Mod Comment edit by bakunin: glad to hear that and thank you for posting your solution. I changed the threads title.
Last edited by bakunin; 11-29-2012 at 12:42 PM..
 

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LEARN ABOUT CENTOS

startpar

STARTPAR(8)						      System Manager's Manual						       STARTPAR(8)

NAME

       startpar - start runlevel scripts in parallel

SYNOPSIS

       startpar [-p par] [-i iorate] [-t timeout] [-T global_timeout] [-a arg] prg1 prg2 ...
       startpar [-p par] [-i iorate] [-t timeout] [-T global_timeout] -M [ boot|start|stop]

DESCRIPTION

       startpar  is  used  to run multiple run-level scripts in parallel.  The degree of parallelism on one CPU can be set with the -p option, the
       default is full parallelism. An argument to all of the scripts can be provided with the -a option.  Processes blocked by pending  I/O  will
       cause  new  process  creation  to be weighted by the iorate factor 800.	To change this factor the option -i can be used to specify another
       value.  The amount weight=(nblockedxiorate)/1000 will be subtracted from the total number  of  processes  which	could  be  started,  where
       nblocked is the number of processes currently blocked by pending I/O.

       The  output  of	each  script is buffered and written when the script exits, so output lines of different scripts won't mix. You can modify
       this behaviour by setting a timeout.

       The timeout set with the -t option is used as buffer timeout. If the output buffer of a script is not empty and the last output was timeout
       seconds ago, startpar will flush the buffer.

       The  -T option timeout works more globally. If no output is printed for more than global_timeout seconds, startpar will flush the buffer of
       the script with the oldest output. Afterwards it will only print output of this script until it is finished.

       The -M option switches startpar into a make(1) like behaviour.  This option takes three different arguments:  boot,  start,  and  stop  for
       reading .depend.boot or .depend.start or .depend.stop respectively in the directory /etc/init.d/.  By scanning the boot and runlevel direc-
       tories in /etc/init.d/ it then executes the appropriate scripts in parallel.

FILES

       /etc/init.d/.depend.boot
       /etc/init.d/.depend.start
       /etc/init.d/.depend.stop

SEE ALSO

       init(8) insserv(8).

COPYRIGHT

       2003,2004 SuSE Linux AG, Nuernberg, Germany.
       2007 SuSE LINUX Products GmbH, Nuernberg, Germany.

AUTHOR

       Michael Schroeder <mls@suse.de>
       Takashi Iwai <tiwai@suse.de>
       Werner Fink <werner@suse.de>

								     Jun 2003							       STARTPAR(8)
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