learnyounode
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Learn You The Node.js For Much Win! An intro to Node.js via a set of self-guided workshops.
11 lines (8 loc) • 356 B
JavaScript
const fs = require('fs')
const contents = fs.readFileSync(process.argv[2])
const lines = contents.toString().split('\n').length - 1
console.log(lines)
// 提醒你可以省去使用 .toString() ，只要把'utf8'作為
// readFileSync 的第二個輸入參數，便可輸出成字串
//
// fs.readFileSync(process.argv[2], 'utf8').split('\n').length - 1