const readline = require('readline'); const fs = require('fs'); const rl = readline.createInterface({ input: process.stdin, output: process.stdout, prompt: 'OHAI> ' }); const preHint = ` This utility will walk you through creating a package.json file. It only covers the most common...
res)=>{if(req.url==='/file'){constfileStream=fs.createReadStream('yourfile.txt');constrl=readline.createInterface({input:fileStream,crlfDelay:Infinity});res.writeHead(200,{'Content-Type':'text/plain'});rl.on('line',(line)=>{res.write(line...
let file1 = await fsRead('hello01.txt'); console.log('1:' + file1.toString()) let file2 = await fsRead('hello02.txt'); console.log('2:' + file2.toString()) let file3 = await fsRead('hello03.txt'); console.log('3:' + file3.toString()) } readFileList(); 1. 2. 3....
constreadline=require('readline');constfs=require('fs');constrl=readline.createInterface({ input:process.stdin, output:process.stdout, prompt:'OHAI>' });constpreHint=`This utility will walk you through creating a package.json file.It only covers the most common items, and tries to guess sen...
nodejs 按行读取 readline 1 //普通读取方法 2 // var data = fs.readFileSync(versionpath,'utf8'); 3 // var dataarr = data.split('\n'); 4 // dataarr.forEach(function(dataarr) { 5 // if( dataarr.indexOf('version') > -1) { 6 // version = (dataarr.split(':')[1])....
const readStream = fs.createReadStream('file.txt'); 然后,可以使用readline模块来逐行读取文件。首先,需要引入readline模块,可以使用以下代码: 代码语言:txt 复制 const readline = require('readline'); 创建一个readline接口,将可读流传递给它。例如: ...
NodeJS学习笔记 (25)逐行读取-readline(ok) 模块概览 readline是个非常实用的模块。如名字所示,主要用来实现逐行读取,比如读取用户输入,或者读取文件内容。常见使用场景有下面几种,本文会逐一举例说明。 文件逐行读取:比如说进行日志分析。 自动完成:比如输入npm,自动提示"help init install"。
// file read or write let readStream = fs.createReadStream(root) // temp file let writeStream = fs.createWriteStream(_root) let readInterface = readline.createInterface( { input: readStream // output: writeStream } ) // collect old data in file ...
readline: 读取stdin 的一行内容,可以读取、增加、 删除我们命令行中的内容\ os: 操作系统层面的一些 api,例如告诉你当前系统类 型及一些参数 vm: 一个专⻔处理沙箱的虚拟机模块,底层主要来调 用 v8 相关 api 进行代码解析。 V8 引擎: 引擎只是解析层面,具体的上层还有许多具体环境的封装。
Node.js Version: 10.1.0 OS: Windows/Ubuntu Scope: code Module: Readfile Background Dear awesome people, I am trying to read a several GB sized file line by line. I want to process each line and after that write it to a file. I don't want...