GPS Recorder for Erebus Alpha

//Whip's GPS Recorder v1 - 6/6/17
//Made for Erebus Alpha :)

string textPanelNameTag = "GPS";

void Main(string arg)
{
    var coordList = Me.CustomData.Split(new char[] { '\n', '\r' });

    int count = 1;
    foreach (var thisCoord in coordList)
    {
        var gpsSplit = thisCoord.Split(':');
        if (gpsSplit.Length != 6)
        {
            if (!string.IsNullOrWhiteSpace(thisCoord))
                Echo($"Error: '{thisCoord}' is not a GPS coordinate");
            continue;
        }
        var name = gpsSplit[1];
        if (name.Contains(arg))
        {
            count++;
        }
    }
    var currentPos = GetWorldPosition(Me);
    var gpsString = "GPS:" + arg + String.Format("{0:000}", count) + $":{Math.Round(currentPos.X)}:{Math.Round(currentPos.Y)}:{Math.Round(currentPos.Z)}:\n";
    Me.CustomData += gpsString;

    var screens = new List<IMyTextPanel>();
    GridTerminalSystem.GetBlocksOfType(screens, x => x.CustomName.ToLower().Contains(textPanelNameTag.ToLower()));

    if (screens.Count == 0)
    {
        Echo($"Warning: No text panels named '{textPanelNameTag} were found'");
        return;
    }

    foreach (var block in screens)
    {
        block.WritePublicText(Me.CustomData);
        block.ShowPublicTextOnScreen();
    }
}

Vector3D GetWorldPosition(IMyTerminalBlock block)
{
    return block.CubeGrid.GridIntegerToWorld(block.Position);
}