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Full Discussion: korn shell script guidance
Top Forums Shell Programming and Scripting korn shell script guidance Post 302555469 by juredd1 on Wednesday 14th of September 2011 09:53:11 PM
Old 09-14-2011
korn shell script guidance
Please look over my short comings during this line if questions.

I have multiple lines in a file that look like,

Code:
phycook 618722      1  76 12:15:13 pts/122 70:24 /4js/runtime2.02.10/lib/fglrun-bin initmenu.42r
 phycook 593484      1  65 12:15:18 pts/122 69:22 /4js/runtime2.02.10/lib/fglrun-bin initmenu.42r

I was thinking I could put this in a for loop like so.

Code:
for 1 2 3 4 in $(cat outfile)
do 
echo $4
done

Since there are spaces between each value in each line that would set the value in the first column for line 1 to $1 and would set the value in the 2nd column for line 1 to #2 and so on. Then I could check $4 for a certain value and if true then the next step would be to kill the process which would be in $2.

Please don't laugh. I somehow think I remember doing something like this but can't find the freaking code in another script.

So if I didn't do a good job of explaining above I basically want to take the value in 4th column and if it's above a certain number run a kill against the PID which is the value in column #2.

Thank you for your time.
 

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LEARN ABOUT PHP

kill

KILL(1)                                                            User Commands                                                           KILL(1)

NAME

       kill - send a signal to a process

SYNOPSIS

       kill [options] <pid> [...]

DESCRIPTION

       The  default  signal  for kill is TERM.  Use -l or -L to list available signals.  Particularly useful signals include HUP, INT, KILL, STOP,
       CONT, and 0.  Alternate signals may be specified in three ways: -9, -SIGKILL or -KILL.  Negative PID values may be  used  to  choose  whole
       process  groups;  see  the  PGID  column  in ps command output.  A PID of -1 is special; it indicates all processes except the kill process
       itself and init.

OPTIONS

       <pid> [...]
              Send signal to every <pid> listed.

       -<signal>
       -s <signal>
       --signal <signal>
              Specify the signal to be sent.  The signal can be specified by using name or number.  The behavior of signals is explained  in  sig-
              nal(7) manual page.

       -l, --list [signal]
              List signal names.  This option has optional argument, which will convert signal number to signal name, or other way round.

       -L, --table
              List signal names in a nice table.

       NOTES  Your shell (command line interpreter) may have a built-in kill command.  You may need to run the command described here as /bin/kill
              to solve the conflict.

EXAMPLES

       kill -9 -1
              Kill all processes you can kill.

       kill -l 11
              Translate number 11 into a signal name.

       kill -L
              List the available signal choices in a nice table.

       kill 123 543 2341 3453
              Send the default signal, SIGTERM, to all those processes.

SEE ALSO

       kill(2), killall(1), nice(1), pkill(1), renice(1), signal(7), skill(1)

STANDARDS

       This command meets appropriate standards. The -L flag is Linux-specific.

AUTHOR

       Albert Cahalan <albert@users.sf.net> wrote kill in 1999 to replace a bsdutils one that was not standards  compliant.   The  util-linux  one
       might also work correctly.

REPORTING BUGS

       Please send bug reports to <procps@freelists.org>

procps-ng                                                          October 2011                                                            KILL(1)
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