Change file name in Nodejs

changeFileName.js

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

const directoryPath = __dirname;
// Read the contents of the directory
fs.readdir(directoryPath, (err, files) => {
  if (err) {
    console.error('Error reading directory:', err);
    return;
  }

  // Filter the files to include only .png files
  const pngFiles = files.filter((file) => path.extname(file).toLowerCase() === '.png');

  // Rename each .png file
  pngFiles.forEach((file) => {
    const oldFilePath = path.join(directoryPath, file);
    const fileShortName = file.split('.')[0];
    const newFileName = "new_name" + '.png'; ///Specify the new name here
    const newFilePath = path.join(directoryPath, newFileName);

    fs.rename(oldFilePath, newFilePath, (renameErr) => {
      if (renameErr) {
        console.error(`Error renaming ${file}:`, renameErr);
      } else {
        console.log(`${file} renamed to ${newFileName}`);
      }
    });
  });
});