This script converts all images ending on .JPG to lowercase .jpg

JPGtojpgConvertion.js

const fs = require("fs");
const path = require("path");

const directoryPath = "./input"; // Replace with your directory path

fs.readdir(directoryPath, (err, files) => {
  if (err) {
    console.error("Error reading the directory", err);
    return;
  }

  files.forEach((file) => {
    if (path.extname(file).toLowerCase() === ".jpg") {
      const oldPath = path.join(directoryPath, file);
      const newPath = path.join(
        directoryPath,
        path.basename(file, ".JPG") + ".jpg"
      );

      fs.stat(oldPath, (err, stats) => {
        if (err) {
          console.error("Error getting file stats", err);
          return;
        }

        const lastModified = stats.mtime;

        fs.rename(oldPath, newPath, (err) => {
          if (err) {
            console.error("Error renaming file", err);
            return;
          }

          console.log(`Successfully renamed ${oldPath} to ${newPath}`);

          // Reset the last modification date
          fs.utimes(newPath, new Date(), lastModified, (err) => {
            if (err) {
              console.error("Error setting file modification date", err);
            }
          });
        });
      });
    }
  });
});