Nodejs readfile

Fs.writefile

const fs = require('fs');

fs.writeFile("/tmp/test", "Hey there!", function(err) {
    if(err) {
        return console.log(err);
    }
    console.log("The file was saved!");
}); 

// Or
fs.writeFileSync('/tmp/test-sync', 'Hey there!');

Source: stackoverflow.com

Nodejs readfile

const fs = require('fs');

fs.readFile('/Users/joe/test.txt', 'utf8' , (err, data) => {
  if (err) {
    console.error(err);
    return
  }
  console.log(data);
});

Fs.readfile

fs.readFile('filename', function read(err, data) {
    if (err) {
        throw err;
    }
    var content = data;
  
    console.log(content);  
   
});

Readfilesync

const fs = require('fs')

try {
  const data = fs.readFileSync('/Users/joe/test.txt', 'utf8')
  console.log(data)
} catch (err) {
  console.error(err)
}

Node read file sync

// macOS, Linux, and Windows
fs.readFileSync('<directory>');
// => [Error: EISDIR: illegal operation on a directory, read <directory>]

//  FreeBSD
fs.readFileSync('<directory>'); // => <data>

Source: nodejs.org

Similar codes

61 votes305 views6 answers
Node sass version 5.0.0 is incompatible with ^4.0.0
Javascript Node.js
0 vote152 views1 answer
How to load and parse the json data in node js
Javascript Node.js
1 vote162 views1 answer
Get input in terminal nodejs
Javascript Node.js
0 vote155 views1 answer
Hot to set file views in nodejs
Javascript Node.js
1 vote157 views2 answers
Nodejs check directory exist or not
Javascript Node.js
1 vote154 views1 answer
Nodejs self quit program
Javascript Node.js
0 vote173 views1 answer
Node js code for saving first middle and last name
Javascript Node.js
24 votes181 views4 answers
Node if file exists
Javascript Node.js
-1 vote158 views2 answers
Base64 to pdf in replace nodejs
Javascript Node.js
0 vote159 views1 answer
Set 404 handling via express in node
Javascript Node.js