linux下用shell杀死tomcat进程

#!/bin/bash
TOMCATTHREAD=`ps aux | grep 'java.*tomcat' | grep -v grep`
THREADLIST=(${TOMCATTHREAD// / })
PID=${THREADLIST[1]}

sleep 1
for ((i=1;i<=10;i++))
do
   SID=`ps aux | grep 'java.*tomcat' | grep -v grep`
  FLAG=${#SID}
echo ----pid=========$PID------
  if [ $FLAG != 0 ]
  then
    kill -9 $PID
    echo tomcat----被杀死了?":("
    sleep 1
    echo ---再杀再杀!!!":)"
  else
    echo ---早被干死掉了-----":)"
    break
  fi
done