sub threeYrExpiration($) {
  my $abs_filename = $_[0];  

		$logger->debug("abs_filename: $abs_filename"); 
	# delete expired file
	my $unlinkStatus = unlink("$abs_filename");
		$logger->debug("unlinkStatus: $unlinkStatus"); 
	if ($unlinkStatus == 1) {
		$unlinkCountTotal++;        
		$abs_filename =~ s#.*WORKAREA\/[^\/]*##;  
		push (@deleted_files, $abs_filename);                   
		$task->AddFile("$abs_filename", "Deleted by content expiration report"); 
		$logger->debug("File to be deleted added to job: $abs_filename"); 
		#deleted files
		updateCriterionReports($criteria[1],$abs_filename,$meta_exp_date);
		$logger->debug("unlinkStatus: $unlinkStatus"); 
	} else {
		$logger->debug("unlinkStatus: $unlinkStatus"); 
		# shows error description, reason for failure
		$logger->warn("Failed to delete '$abs_filename': <$!>");
#		$logger->debug("File to be deleted \"$abs_filename\" failed. Received $unlinkStatus instead of 1.");
		$task->CallBack(1, "Error Deleting expired file");
		exit(1);
	}
}