bytewiser 练习

bytewiser 是 nodeschool.io 出品的nodejs入门练习项目

bytewiser-exercise-1

Write a node program that prints a buffer object containing the string “bytewiser” using console.log.

var str = 'bytewiser';
var buffer = new Buffer(str);
console.log(buffer);

bytewiser-exercise-2

Given an unknown number of bytes passed via process.argv, create a buffer from them and output a hexadecimal encoded representation of the buffer.

var array = process.argv.slice(2);
var buffer = new Buffer(array);
console.log(buffer.toString('hex'));

// 官方答案
// var bytes = process.argv.slice(2).map(function(arg) { return parseInt(arg) })
// console.log(new Buffer(bytes).toString('hex'))

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