$ ./readjoblog.pl failedjob.csv 
headers: $VAR1 = [
          'job_execution_id',
          'job_status',
          'step_name',
          'job_params',
          'job_instance_id',
          'read_count',
          'write_count',
          'exit_message'
        ];
table:   $VAR1 = [];