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Full Discussion: Using grep command to detect presence of script run
Top Forums Shell Programming and Scripting Using grep command to detect presence of script run Post 302895627 by wtolentino on Tuesday 1st of April 2014 01:48:03 PM
Old 04-01-2014
Using grep command to detect presence of script run
i have this line of code on a korn shell script to detect the presence of script run:

Code:
ISRUNNING=`ps -eaf -o args | grep -i sfs_load_file.ksh | grep -v grep | wc -l`

sometimes this returns either 1, 2, or 3. when it returns 2 or 3 that tells us that there are more than 1 script of sfs_load_file.ksh runs at the same time. when in reality there is none. i suppose that when i run the sfs_load_file.ksh the variable $ISRUNNING should return only 1 that is because there are none other sfs_load_file.ksh is running.

please help and advise. the code might need some tweak or corrections.

thanks so much,
warren
Last edited by wtolentino; 04-01-2014 at 02:59 PM..
 

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LEARN ABOUT PHP

times

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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