public void Execute()

in code-bugfixing/etl-processing/C#/VisualStudio/etlprocessing/CsvEtlCommand.cs [12:30]


    public void Execute()
    {
        using (var reader = new StreamReader(sourceFile))
        using (var writer = new StreamWriter(targetFile))
        {
            // Extract
            string line = reader.ReadLine();

            // Transform and Load
            while (line != null)
            {
                string[] columns = line.Split(',');
                var transformedLine = Transform(columns);

                writer.WriteLine(transformedLine);
                line = reader.ReadLine();
            }
        }
    }