Media batch rename

package.json

{
  "type": "module"
}

rename.js

import fs from "fs"

const run = async () => {
  const files = await fs.promises.readdir("./")
  const ops = files
    .filter((filename) => filename.includes(".mkv"))
    .map((filename) => {
      const renamed = filename
        .replace(/^.+S\d+E/, "")
        .replace(/\.1080p.+\.mkv/, ".mkv")
        .replace(/(\d+)\./, "$1 - ")
        .replace(/\./g, " ")
        .replace(/\smkv$/, ".mkv")

      const op = [`./${filename}`, `./${renamed}`]
      return process.argv.includes("--exec")
        ? fs.promises.rename(...op)
        : Promise.resolve(console.info(op))
    })

  try {
    await Promise.all(ops)
    console.info("All done!")
  } catch (e) {
    console.error(e)
  }
}

run()