nodejs-file-hash.js

// reference https://gist.github.com/GuillermoPena/9233069#gistcomment-2636187

// sha-cli.js
const filename = process.argv[2];
const crypto = require('crypto');
const fs = require('fs');
const hash = crypto.createHash('sha256');
const input = fs.createReadStream(filename);
input.on('readable', () => {
  const data = input.read();
  if (data)
    hash.update(data);
  else {
    console.log(`${hash.digest('hex')} ${filename}`);
  }
});

// Example usage if you saved that code in sha-cli.js file would be:

// node sha-cli.js example-input-file.zip