text: const opts = require('./getopts.js')();
  const encoder = require('./encoder.js');
  const createTransformStream = require('./transform.js');
  const {pipeline} = require('stream');
  const errHandler = require('./errHandler');
  
  pipeline(
      opts.input,
      createTransformStream(encoder(opts.shift, opts.action)),
      opts.output,
      errHandler
  );