text: var fs = require('fs');
  var stream = require('stream');
  var writable = new stream.Writable();
  writable.buffer = [];
  writable._write = function(chunk, encoding, next) {
    	this.buffer.push(chunk);
      next();
    }
  process.stdin.pipe(writable);
  
  process.stdin.on('end', function(){
  	console.log(Buffer.concat(writable.buffer));
  })