text: var through = require('through2');
  
  module.exports = function (file, opts) {
      var bufs = [];
      return through(write, end);
      
      function write (buf, enc, next) {
          if (!Buffer.isBuffer(buf)) buf = Buffer(buf);
          bufs.push(buf);
          next();
      }
      
      function end () {
          var str = Buffer.concat(bufs).toString('utf8');
          this.push(str.replace(/HHH/g, 3));
          this.push(null);
      }
  };
  