1. import java.io.IOException;
  2. import java.io.File;
  3. import java.io.FileReader;
  4. import java.io.BufferedReader;
  6. class FileSuppressor {
  8. public static void suppressFileErrors(String filePath) {
  9. try {
  10. // Create a dummy file to redirect errors to
  11. File errorLog = new File("error_log.txt");
  12. if (errorLog.exists()) {
  13. errorLog.delete(); //remove old log
  14. }
  15. errorLog.createNewFile();
  17. // Redirect stderr to the error log
  18. Runtime.getRuntime().exec(
  19. "java -Xerrsep 1 " + filePath + " > /dev/null 2> " + errorLog.getAbsolutePath()
  20. );
  22. // Process the file (example: read line by line)
  23. try (BufferedReader reader = new BufferedReader(new FileReader(filePath))) {
  24. String line;
  25. while ((line = reader.readLine()) != null) {
  26. // Perform your maintenance task on each line
  27. // ... your code here ...
  28. System.out.println("Processing: " + line);
  29. }
  30. } catch (IOException e) {
  31. //Handle IO exceptions related to file reading.
  32. System.err.println("Error reading file: " + e.getMessage());
  33. }
  34. } catch (IOException e) {
  35. //Handle IO exceptions related to file creation or execution.
  36. System.err.println("Error creating error log or executing command: " + e.getMessage());
  37. }
  38. }
  40. public static void main(String[] args) {
  41. // Example usage:
  42. String filePath = "large_file.txt"; // Replace with your file path
  43. suppressFileErrors(filePath);
  44. }
  45. }

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