kill cat process opened by syslog

killcat.sh

#!/bin/bash

PKILL=`which pkill`
PGREP=`which pgrep`
DATE=`which date`
WC=`which wc`

getCat=`$PGREP -fl "cat -u" | $WC -l`

if [ $getCat -gt 5 ]; then
        echo "`$DATE '+%h %d %T'` | WF_CleanGargage | More then 5 process running" >> /var/log/rotate.log
        $PKILL -f "cat -u"
        echo "`$DATE '+%h %d %T'` | WF_CleanGarbage | Killed $getCat Process" >> /var/log/rotate.log
fi

getCatAgain=`$PGREP -fl "cat -u" | $WC -l`

if [ $getCatAgain -gt 5 ]; then
        echo "`$DATE '+%h %d %T'` | WF_CleanGarbage | Still have process running" >> /var/log/rotate.log
else
        echo "`$DATE '+%h %d %T'` | WF_CleanGarbage | No more process running" >> /var/log/rotate.log
fi