1. <?php
  3. /**
  4. * CLI tool to replace values in log streams.
  5. *
  6. * Usage: php replace_log_values.php <log_file> <search_string> <replace_string>
  7. */
  9. if (count($argv) !== 4) {
  10. echo "Usage: php replace_log_values.php <log_file> <search_string> <replace_string>\n";
  11. exit(1);
  12. }
  14. $logFile = $argv[1];
  15. $searchString = $argv[2];
  16. $replaceString = $argv[3];
  18. if (!file_exists($logFile)) {
  19. echo "Error: Log file '$logFile' not found.\n";
  20. exit(1);
  21. }
  24. $logContent = file_get_contents($logFile);
  26. if ($logContent === false) {
  27. echo "Error: Could not read log file '$logFile'.\n";
  28. exit(1);
  29. }
  32. $newLogContent = str_replace($searchString, $replaceString, $logContent);
  34. if ($newLogContent === $logContent) {
  35. echo "No matches found for '$searchString'.\n";
  36. exit(0);
  37. }
  41. file_put_contents($logFile, $newLogContent);
  43. echo "Successfully replaced '$searchString' with '$replaceString' in '$logFile'.\n";
  45. exit(0);
  47. ?>

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