Looped Array to print as csv

Projects Programming
15 
int anArray[2][3] = {{12, 13, 14}, {15, 16, 17}};

void setup()
{
  Serial.begin(115200);
  byte bytesPerEntry = sizeof(anArray[0][0]);
  byte cols = (sizeof(anArray[0]) / bytesPerEntry);
  Serial.print("cols : ");
  Serial.println(cols);
  byte rows = ((sizeof(anArray) / cols) / bytesPerEntry);
  Serial.print("rows : ");
  Serial.println(rows);
  for (int r = 0; r < rows ; r++)
  {
    for (int c = 0; c < cols; c++)
    {
      Serial.print(anArray[r][c]);
      Serial.print(",");
    }
  }
}

void loop()
{
}