public async Task RunAsync(string[] args, CancellationToken cancellationToken)
{
var filePath = string.Empty;
char separator = default(char);
if (args.Length > 0)
{
filePath = args[0];
_ = char.TryParse(args[1], out separator);
}
var userInputDto = _runService.GetUserInputValues(filePath, separator);
var fileContents = await _runService.GetFileContents(userInputDto.InputFilePath);
var enrollmentRows = _runService.GetEnrollmentRows(fileContents, userInputDto.RowSeparator);
var headers = _runService.GetHeaderRow(enrollmentRows);
_runService.CleanCsv(enrollmentRows);
_runService.ValidateRowLengths(enrollmentRows, headers.Count);
var indexes = _enrollmentService.GetIndexValues(headers);
var enrollments = _runService.GetEnrollments(indexes, enrollmentRows);
await _runService.CreateResponse(enrollments, userInputDto.OutputDirectory, cancellationToken);
}