public void CustomCsvParserReadFromFile()
{
CsvParserOptions options = new CsvParserOptions(true, ';');
CustomCsvParser customCsvParser = new CustomCsvParser(options);
var stringBuilder = new StringBuilder()
.AppendLine("FirstName;LastName;BirthDate")
.AppendLine(" Philipp;Wagner;1986/05/12 ")
.AppendLine("Max;Mustermann;2014/01/01");
#if NETCOREAPP1_1
var basePath = AppContext.BaseDirectory;
#else
var basePath = AppDomain.CurrentDomain.BaseDirectory;
#endif
var filePath = Path.Combine(basePath, "test_file.txt");
File.WriteAllText(filePath, stringBuilder.ToString(), Encoding.UTF8);
var result = customCsvParser
.ReadFromFile(filePath, Encoding.UTF8)
.ToList();
Assert.AreEqual(2, result.Count);
Assert.AreEqual("Philipp", result[0].Tokens[0]);
Assert.AreEqual("Wagner", result[0].Tokens[1]);
Assert.AreEqual("Max", result[1].Tokens[0]);
Assert.AreEqual("Mustermann", result[1].Tokens[1]);
}
public static ParallelQuery <TokenizedRow> ReadFromFile(this CustomCsvParser csvParser, string fileName, Encoding encoding)
{
if (fileName == null)
{
throw new ArgumentNullException(nameof(fileName));
}
var lines = File
.ReadLines(fileName, encoding)
.Select((line, index) => new Row(index, line));
return(csvParser.Parse(lines));
}
