text: var fs = require('fs');
  var zlib = require('zlib'); // zippa node buffers (https://nodejs.org/api/zlib.html)
  var file = process.argv[2];
  
  fs.readFile(file, function(err, buffer) {
      zlib.gzip(buffer, function(err, buffer) {   // https://nodejs.org/api/zlib.html#zlib_zlib_gzipsync_buf_options
          fs.writeFile(file + '.buffered.gz', buffer, function(err) {
              console.log('File successfully compressed');
          });
      });
  });
  