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

7 votes253 views2 answers
Getting user input in node js
Javascript Node.js
1 vote229 views1 answer
Save text to file nodejs
Javascript Node.js
20 votes249 views4 answers
Node list files in directory
Javascript Node.js
6 votes253 views2 answers
Node code to read json file
Javascript Node.js
0 vote251 views1 answer
Node js if name main
Javascript Node.js
6 votes262 views2 answers
Node Sass could not find a binding for your current environment: Linux 64-bit with Node.js 10.x
Javascript Node.js
0 vote244 views1 answer
Load Balance 4 instances of api.js node js
Javascript Node.js
1 vote249 views1 answer
Use static pages nodejs
Javascript Node.js
2 votes324 views1 answer
Is node js faster than python
Javascript Node.js
7 votes256 views6 answers
What is node js
Javascript Node.js