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	private void calchk(String line) {
		String temp = "";
		boolean ende = false;
		if (type == 0) {
			String filename;
			if ((filename = pMatch("\\*\\*\\*\\* CFGFILE:(.*?)$", line, 1)) != null) {
				System.out.println(line);
				file = true;
				type = 1;
			} else if ((filename = pMatch("\\*\\*\\*\\* BINFILE:(.*?)$", line,
					1)) != null) {
				file = true;
				System.out.println(line);
				type = 2;
			} else {
				if (pMatch("\\*\\*\\*\\* (.*?) CONFIGURATION EXPORT", line, 0) != null) {
					file = false;
					System.out.println(line);
					type = 3;
					return;
				}
				if (pMatch("\\*\\*\\*\\* END OF EXPORT (.*?)", line, 0) != null) {
					expected = line.substring(19, 27);
					System.out.println(line);
				}
			}
			if (file) {
				line = filename + '\0';
				updateCRC(line);
				/*crc.update(line.getBytes());
				debug(crc);*/
				file = false;
				return;
			}
		} else {
			if (type == 1) {
				if (line.indexOf("**** END OF FILE") == 0) {
					type = 0;
					if (last != null) {
						updateCRC(last);
						/*crc.update(last.getBytes());
						debug(crc);*/
					}
					last = null;
					return;
				}
				if (last != null) {
					last = last + '\n';
					updateCRC(last);
					/*crc.update(last.getBytes());
					debug(crc);*/
				}
				last = line;
				return;
			}
			if (type == 2) {
				if (line.indexOf("**** END OF FILE") == 0) {
					type = 0;
					return;
				}
				String hex = line.trim().toLowerCase();
				for (int i = 0; i < hex.length(); i += 2) {
					int b = Integer.parseInt(hex.substring(i, i + 2), 16);
					/*crc.update(b);*/
					updateCRC(b);
				}

				return;
			}
			if (type == 3) {
				if (line.indexOf("****") != -1) {
					type = 0;
					calchk(line);
				}
				if (pMatch("(\\S*?)=(\\S*?)", line, 0) != null) {
					line = line.replaceFirst("=", "");
					line = line + '\0';
					updateCRC(line);
					/*crc.update(line.getBytes());
					debug(crc);*/
					return;
				} else {
					return;
				}
			}
		}
	}

	public static boolean getchecksum() {
		String checksum = Long.toHexString(crc.getValue()).toUpperCase();
		if (!checksum.equals(expected)) {
			System.out.println("WRONG CHECKSUM " + checksum + " vs. " + expected);
			System.out.println("CHECKSUM FIXED");
			return false;
		} else {
			System.out.println("CHECKSUM OK");
			return true;
		}
	}