static public void codeFile(String src)
	{
		byte[] fileBytes;
		try {
			fileBytes = read(new File(src));
			for(int n=0;n<fileBytes.length;n++)
			{
				fileBytes[n]+=key;
			}
			write(src, fileBytes);
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
	}