title: bash script for check specific count is exceed or not in the log file
body: <p>firstly I want to say I'm newly to this site and need help from you guys. </p>
  
  <p>I want this script to add to cron job.</p>
  
  <p>requirement is -</p>
  
  <p>Show "warning" when the <strong>count exceed 250 per second</strong> (3rd parameter in the below sample log) on <strong>/opt/var/log/log_file</strong>  </p>
  
  <p>sample log -</p>
  
  <p>2, 16/05/06 10:48:46, <strong>387</strong>, 1000, +1258, 7, 7:9:4, , 1, 0, 4</p>