'use strict'

setInterval(() => process.stdout.write('.'), 10).unref()

const fs = require('fs')
const path = require('path')
const cwd = process.cwd()

const sbs = require('strip-bytes-stream')

fs.createReadStream(path.join(cwd, 'file.dat'))
  .pipe(sbs((n) => n))
  .on('end', function () { log(this.total) })
  .pipe(fs.createWriteStream(path.join(cwd, 'clean.dat')))

function log(total) {
  fs.appendFile(
    path.join(cwd, 'log.txt'),
    (new Date) + ' ' + total + ' bytes removed\n'
  )
}