Copy files and update their timestamps so that KIA Ceed (2011) plays them in the correct order.

kia-copy.ts

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

const isValidFile = (filename) => !filename.startsWith(".");
const updateLastModifiedAt = async (filename) => {
  const time = new Date();
  try {
    fs.utimesSync(filename, time, time);
  } catch (err) {
    fs.closeSync(fs.openSync(filename, "w"));
  } finally {
    await new Promise((res) => setTimeout(() => res(), 1000)); // wait a sec to make sure the differences are large enough
    console.log(filename, "updated");
  }
};

(async () => {
  const from = "/Users/tadeas/Books";
  const to = "/Volumes/4GB";

  const dirs = fs.readdirSync(from);
  for (const dir of dirs) {
    if (!isValidFile(dir)) continue;

    if (!fs.existsSync(path.join(to, dir))) fs.mkdirSync(path.join(to, dir));
    await updateLastModifiedAt(path.join(to, dir));

    const files = fs.readdirSync(path.join(from, dir));
    for (const file of files) {
      if (!isValidFile(file)) continue;
      if (fs.lstatSync(path.join(from, dir, file)).isDirectory()) continue;

      fs.copyFileSync(path.join(from, dir, file), path.join(to, dir, file));
      await updateLastModifiedAt(path.join(to, dir, file));
    }
  }
})();