text: 'use strict';
  
  module.exports = function (cb) {
  	var stdin = process.stdin;
  	var ret = '';
  
  	if (stdin.isTTY) {
  		setImmediate(cb, '');
  		return;
  	}
  
  	stdin.setEncoding('utf8');
  
  	stdin.on('readable', function () {
  		var chunk;
  
  		while (chunk = stdin.read()) {
  			ret += chunk;
  		}
  	});
  
  	stdin.on('end', function () {
  		cb(ret);
  	});
  };
  
  module.exports.buffer = function (cb) {
  	var stdin = process.stdin;
  	var ret = [];
  	var len = 0;
  
  	if (stdin.isTTY) {
  		setImmediate(cb, new Buffer(''));
  		return;
  	}
  
  	stdin.on('readable', function () {
  		var chunk;
  
  		while (chunk = stdin.read()) {
  			ret.push(chunk);
  			len += chunk.length;
  		}
  	});
  
  	stdin.on('end', function () {
  		cb(Buffer.concat(ret, len));
  	});
  };
  