private int readChar()
	{
		try
		{
			int readVal;
			while(true)
			{
				readVal = input.read();
				//if(readVal == (int)'\n')
				//	continue;
				nextReadColumnNumber++;
				if(readVal == (int)'\n')
				{
					nextReadLineNumber++;
					nextReadColumnNumber = 1;					
				}
				return readVal;
			}
		}
		catch (IOException e)
		{
			return -1;
		}
	}