Update file modified date according to name

update_timestamps.js

const { execSync } = require("child_process");
const fs = require("fs");

const pattern = /\D{3}_(\d{8})_.*/;
fs.readdir("./", (err, files) => {
  files.forEach((file) => {
    const match = pattern.exec(file);
    const yyyymmdd = match?.[1];
    if (yyyymmdd) {
      const output = execSync(`touch -d ${yyyymmdd} -f ${file}`, { encoding: "utf-8" });
      if (output) {
        console.log(output);
        return;
      } else {
        console.log(`Processed ${file}`);
      }
    } else {
      console.log(`Skipped file ${file}`);
    }
  });
});