Linux Kill and Wait for process

DIR=<WORKING_DIRECTORY>
PROCESS=<PROCESS_EXECUTABLE>
FULL_PROCESS=$DIR/$PROCESS

GET_PID="pidof -s $FULL_PROCESS"

echo -n "Stopping \"$PROCESS\".."

PID="$($GET_PID)"

if [ $? -ne 0 ]; then
  echo ". failed (not running)."
  exit 1
else
  kill $PID > /dev/null
  $GET_PID > /dev/null

  while [ $? -eq 0 ]
  do
    echo -n "."
    sleep 1
    $GET_PID > /dev/null
  done

  echo ". done (PID = $PID)."
  exit 0
fi