Updated make stop_simulator to properly stop all simulators when multiple are running

#! /usr/bin/env bash

# Ensure stray simulators are not still running

_SIMS=`ps -ef | grep "kinetic-simulator/kinetic-simulator-" | grep -v 'grep' | sed -e 's/^ *//' -e 's/ *$//' | tr -s ' '`

echo "Kinetic Simulators Still Alive"

echo "------------------------------"

echo $_SIMS

echo

# Kill any simulators running

_SIMS=`ps -ef | grep "kinetic-simulator/kinetic-simulator-" | grep -v 'grep' | sed -e 's/^ *//' -e 's/ *$//' | tr -s ' ' | cut -d ' ' -f 2`

if [[ ! -z $_SIMS ]]; then

  _KINETIC_SIM=`echo $_SIMS | cut -d ' ' -f 2`

  echo Simulator PIDs: $_KINETIC_SIM

  if [[ ! -z $_KINETIC_SIM ]]; then

    sleep 2

    echo Killing kinetic-simulator with PIDs: $_KINETIC_SIM

    kill $_KINETIC_SIM

    echo Killed all kinetic simulators!

    sleep 2

  for sim in $_SIMS

  do

    if [[ ! -z $sim ]]; then

      echo Killing kinetic-simulator \(pid=$sim\)

      kill $sim

    fi

  done

  echo All simulators have been terminated!

fi