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Full Discussion: How to make faster loop in multiple directories?
Top Forums Shell Programming and Scripting How to make faster loop in multiple directories? Post 303025223 by baris35 on Sunday 28th of October 2018 12:23:15 PM
Old 10-28-2018
How to make faster loop in multiple directories?
Hello,
I am under Ubuntu 18.04 Bionic.
I have one shell script run.sh (which is out of my topic) to run files under multiple directories and one file to control all processes running under those directories (control.sh).
I set a cronjob task to check each of them with two minutes of intervals. When a process is dead or when all processes are dead during ramp-up, each process waits for the completion of previous one. That's okay but due to time consuming process of run.sh
it keeps me waiting. To write separate scripts just dedicated to each folder does not sound logic.
Is there a modern way to do this without entering all directory names ?
Just wish say to script: "implement your code to all subfolders"

control.sh
Code:
for A in folder1 folder2 folder3 folder4 folder5 folder6 folder7 folder8 \
folder9 folder10 folder11 folder12 folder13 folder14 folder15 ; do
cd $A
PID=$(cat *.pid)
if ! [ -n "$PID" -a -e /proc/$PID ]; then
/home/boris/public_html/run.sh $A
else
    echo "process exists, exit now!"
sleep 2
fi
cd ../
done


Thanks in advance
Boris
Last edited by baris35; 10-28-2018 at 02:11 PM.. Reason: typo error fix
 

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LEARN ABOUT OSF1

uudemon

uudemon(4)						     Kernel Interfaces Manual							uudemon(4)

NAME

       uudemon.admin,  uudemon.cleanu,	uudemon.hour,  uudemon.poll  -	Administrative shell scripts for polling remote systems, cleaning up spool
       directories, reporting status to the system administrator, and routine invocations of the uuxqt and uusched daemons

SYNOPSIS

       These shell scripts reside in the following directory:
	  /usr/lib/uucp

DESCRIPTION

       All the scripts can be run from the command line or can be run automatically by the cron daemon. To automatically run the  scripts,  remove
       the comment character (#) from the beginning of the relevant line in the /var/spool/cron/crontabs/uucp file.

       This  script  reports  status  to  the system administrator. It issues the uustat command to find out the status of uucp jobs. It mails the
       results to the uucp login ID. The script may be modified to send mail to any login ID such as the uucp administrative login ID  (uucpa)	or
       root.  This script cleans up the /var/spool/uucp and /var/spool/uucppublic directories by running the uucleanup command. The uucleanup com-
       mand is run with the following parameters: -C7, -D7, X2, -o2, -W1.  This script runs the uusched and uuxqt daemons in the background.  This
       script  polls  the  systems  listed  in	the  /usr/lib/uucp/Poll file.  The uudemon.poll script should be scheduled before the uudemon.hour
       script. This allows uudemon.poll to create any command files before cron runs the uudemon.hour script.

FILES

       Contains the uudemon.admin, uudemon.cleanu, uudemon.hour and uudemon.poll files.  Contains the uucp file.

RELATED INFORMATION

       Commands: cron(8), uucleanup(8), uusched(8), uuxqt(1)

       Files: /usr/lib/uucp delim off

																	uudemon(4)
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