C#

TextReader tr = new StreamReader(Filename);<br />
while (( text_line = tr.ReadLine() ) != null )<br />
{<br />
    string[] arrStr = text_line.Split(',');<br />
    <br />
    for ( i=0; i<arrStr.Length; i++)<br />
    {<br />
        // Use the split string to update the variables i'll use later<br />
        Assign_To_Array_Or_Class(arrStr);<br />
    }<br />
 }

MyClassCollection coll = new MyClassCollection();
while((text_line = tr.ReadLine()) != null)
{
  MyClass cls = MyClass.FromString(text_line);
  coll.Add(cls);
}

FileStream fs = new FileStream(_sFileName, FileMode.Open, FileAccess.Read, FileShare.Read);
StreamReader reader = new StreamReader(fs);
ArrayList dates = new ArrayList();
ArrayList data = new ArrayList();
char[] sep = {','};
while(reader.Peek() != -1)
{
	string[] rec = reader.ReadLine().Split(sep);
	double[] record = new double[rec.Length];
	for(int i = 0; i < rec.Length; i++)
	{
		if(Char.IsLetter(rec[i],0))
			record[i] = 0d;
		else
		{
			try
			{
				record[i] = double.Parse(rec[i]);
			}
			catch
			{
				record[i] = 0d;
			}
		}
	}
	data.Add(record);
}
double[][] dData = (double[][])data.ToArray(typeof(double[]));
reader.Close();
fs.Close();
reader = null;
fs = null;