NodeJS之process.argv认识

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在研究JS时看到这个：

var _ = process.argv.splice(2)
console.log(generateSignature(_[0]))

用法：

// print process.argv
process.argv.forEach(function(val, index, array) {
  console.log(index + ': ' + val);
});

$ node process.js one two=three four
0: node
1: /Users/node/process.js
2: one
3: two=three
4: four

参考文章：
https://cnodejs.org/topic/515a40836d38277306084809