my$flagstat_metrics_file=$report_db_folder."/".$rmbt_analysis->get_or_create_step($opt->{mapper},"Align reads using $opt->{mapper}.")->get_or_create_metrics_filename('flagstatLog',$fastq);
my$flagstat_metrics_file=$report_db_folder."/".$rmbt_analysis->get_or_create_step($opt->{mapper},"Align reads using $opt->{mapper}.")->get_or_create_metrics_filename('flagstatLog',$fastq);