public async Task SylvanDataAsync()
{
var tw = TextWriter.Null;
var dr = TestData.GetTestDataReader();
var csv = CsvDataWriter.Create(tw);
await csv.WriteAsync(dr);
}
public void SylvanDataSync()
{
var tw = TextWriter.Null;
var dr = TestData.GetTestDataReader();
var csv = CsvDataWriter.Create(tw);
csv.Write(dr);
}
public override int Execute(
CommandContext context,
SelectSettings settings
)
{
var filename = settings.File;
Stream iStream = filename == "."
? Console.OpenStandardInput()
: File.OpenRead(settings.File);
var tr = new StreamReader(iStream);
for (int i = 0; i < settings.Skip; i++)
{
tr.ReadLine();
}
var opts =
new CsvDataReaderOptions
{
BufferSize = 0x100000,
};
var csv = CsvDataReader.Create(tr, opts);
var data = csv.Select(settings.Columns);
var oStream =
settings.Output == "."
? Console.OpenStandardOutput()
: File.Create(settings.Output);
var tw = new StreamWriter(oStream);
var ww = CsvDataWriter.Create(tw);
ww.Write(data);
return(0);
}
