  "use strict"
 // import crypto from 'crypto'
  const filename = process.argv[2],
	crypto = require('crypto'),
	fs = require('fs'),
	shasum = crypto.createHash('md5'),
	s = fs.ReadStream(filename)

  s.on('data', d => shasum.update(d))

  s.on('end', () => {
    const d = shasum.digest('hex')
    console.log(`${d} ${filename}`)
  });

@@ -14,10 +14,8 @@
 %22%0D%0A 
-//
  imp
@@ -40,16 +40,39 @@
 rypto'%0D%0A
+  import fs from 'fs'%0D%0A
   const 
@@ -104,60 +104,8 @@
 %5D,%0D%0A
-%09crypto = require('crypto'),%0D%0A%09fs = require('fs'),%0D%0A
 %09sha

Use ES6 import