#!/bin/bash
install_dir=/home/john/cafe_grader
ruby_executable=/home/john/.rvm/wrappers/ruby-2.3.0/ruby

#check number of running grader
count=`ps aux | grep $install_dir | grep "grader grading queue" | wc -l`

#if there is no grader running, start a new one
if [ $count -lt 1 ]; then
  cd $install_dir/judge
  $ruby_executable $install_dir/judge/scripts/grader grading queue > $install_dir/judge/grading.log &
fi