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Method 1: Using the Readline Module: Readline is a native module of Node. js, it was developed specifically for reading the content line by line from any readable stream. It can be used to read data from the command line. const readline = require('readline');
To read a file, use FileReader , which enables you to read the content of a File object into memory. You can instruct FileReader to read a file as an array buffer, a data URL, or text.
Use path.join(__dirname, '/start.html');
var fs = require('fs'),
path = require('path'),
filePath = path.join(__dirname, 'start.html');
fs.readFile(filePath, {encoding: 'utf-8'}, function(err,data){
if (!err) {
console.log('received data: ' + data);
response.writeHead(200, {'Content-Type': 'text/html'});
response.write(data);
response.end();
} else {
console.log(err);
}
});
Thanks to dc5.
With Node 0.12, it's possible to do this synchronously now:
var fs = require('fs');
var path = require('path');
// Buffer mydata
var BUFFER = bufferFile('../public/mydata.png');
function bufferFile(relPath) {
return fs.readFileSync(path.join(__dirname, relPath)); // zzzz....
}
fs is the file system. readFileSync() returns a Buffer, or string if you ask.
fs correctly assumes relative paths are a security issue. path is a work-around.
To load as a string, specify the encoding:
return fs.readFileSync(path,{ encoding: 'utf8' });
1).For ASync :
var fs = require('fs');
fs.readFile(process.cwd()+"\\text.txt", function(err,data)
{
if(err)
console.log(err)
else
console.log(data.toString());
});
2).For Sync :
var fs = require('fs');
var path = process.cwd();
var buffer = fs.readFileSync(path + "\\text.txt");
console.log(buffer.toString());
simple synchronous way with node:
let fs = require('fs')
let filename = "your-file.something"
let content = fs.readFileSync(process.cwd() + "/" + filename).toString()
console.log(content)
Run this code, it will fetch data from file and display in console
function fileread(filename)
{
var contents= fs.readFileSync(filename);
return contents;
}
var fs =require("fs"); // file system
var data= fileread("abc.txt");
//module.exports.say =say;
//data.say();
console.log(data.toString());
To read the html file from server using http module. This is one way to read file from server. If you want to get it on console just remove http module declaration.
var http = require('http');
var fs = require('fs');
var server = http.createServer(function(req, res) {
fs.readFile('HTMLPage1.html', function(err, data) {
if (!err) {
res.writeHead(200, {
'Content-Type': 'text/html'
});
res.write(data);
res.end();
} else {
console.log('error');
}
});
});
server.listen(8000, function(req, res) {
console.log('server listening to localhost 8000');
});<html>
<body>
<h1>My Header</h1>
<p>My paragraph.</p>
</body>
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