text: const path    = require('path');
  
  const helpers = require(path.resolve(__dirname, '../lib/helpers.js'));
  
  const digest  = helpers.sri.digest;
  
  if (process.argv[1] === __filename) {
      for (let i = 2; i < process.argv.length; i++) {
          const file = process.argv[i];
  
          console.log(file);
          console.log('>', digest(file));
      }
  } else {
      module.exports.digest = digest;
  }
  