C#

foreach (string component in tokens[index].Split(','))
{
  if (component.Contains('-'))
  {
    string[] range = component.Split('-');
    if (range.Length != 2) throw new ArgumentException();
    int startRange, endRange;
    if (int.TryParse(range[0], out startRange) && int.TryParse(range[1], out endRange) && startRange <= endRange)
      for (int x = startRange; x <= endRange; x++)
        foreach (IPAddress addr in ParseIPAddressRange(tokens, index + 1, partial + "." + x.ToString()))
          yield return addr;
    else
      throw new ArgumentException();
  }
  else if (component.Contains('/')
  {
    // You should really be able to figure out the /xx notation on your own, given the above block.
  }
}

DateTime dt1 = new DateTime(2011, 11, 12);
DateTime dt2 = new DateTime(2011, 11, 13);
DateTime dt3 = new DateTime(2011, 11, 14);
DateTime dt4 = new DateTime(2011, 11, 15);
Console.WriteLine(dt4.Subtract(dt4).Days);
Console.WriteLine(dt4.Subtract(dt3).Days);
Console.WriteLine(dt4.Subtract(dt2).Days);
Console.WriteLine(dt4.Subtract(dt1).Days);

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OriginalGriff wrote:

So where do you think it is I am making a mistake?

using(Process p = new Process())
{
  try
  {   
    p.StartInfo = psi;
    if(p.Start())
    {
       p.WaitForExit();
    }
    else
    {
      // Process did not start
    }
  }
  catch(Exception ex)
  {
    // p.ExitCode
  }
}

Jerry W. Manweiler, Ph.D. wrote:

when I execute the process the code crashes without any information.

Jerry W. Manweiler, Ph.D. wrote:

psi.FileName = the java executable to be run;
psi.Arguments = the arguments
for the code;