learnyounode
Version:
Learn You The Node.js For Much Win! An intro to Node.js via a set of self-guided workshops.
11 lines (8 loc) • 344 B
JavaScript
const fs = require('fs')
const contents = fs.readFileSync(process.argv[2])
const lines = contents.toString().split('\n').length - 1
console.log(lines)
// 只要把 'utf8' 作为 readFileSync 的第二个参数传入
// 就可以不用 .toString() 来得到一个字符串
//
// fs.readFileSync(process.argv[2], 'utf8').split('\n').length - 1