import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.FileReader;

import java.io.FileWriter;

import java.io.IOException;

public class LogFileReplacer {

public static void main(String[] args) {

String logFilePath = "input.log"; // Replace with your log file path

String replacementValue = "REPLACED"; // Replace with the value to replace

String outputFilePath = "output.log"; // Replace with your desired output file path

try {

replaceInLogFile(logFilePath, replacementValue, outputFilePath);

System.out.println("Log file processed successfully. Output written to: " + outputFilePath);

} catch (IOException e) {

System.err.println("An error occurred: " + e.getMessage());

}

}

public static void replaceInLogFile(String inputFilePath, String replacement, String outputFilePath) throws IOException {

try (BufferedReader reader = new BufferedReader(new FileReader(inputFilePath));

BufferedWriter writer = new BufferedWriter(new FileWriter(outputFilePath))) {

String line;

while ((line = reader.readLine()) != null) {

String replacedLine = line.replace(findValue(line), replacement);

writer.write(replacedLine);

writer.newLine();

}

}

}

// Helper function to find the value to replace in a line. This is a simple string search.

private static String findValue(String line) {

// This is a basic implementation. Consider more robust parsing if needed.

return "oldValue"; // Replace with the value you want to find

}

}