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

0 vote309 views1 answer
Monitor in production node js
Javascript Node.js
0 vote305 views1 answer
Readfle nodejs
Javascript Node.js
0 vote284 views1 answer
Node js utf8 encode
Javascript Node.js
0 vote300 views1 answer
NodeJS: Good way to write Multiple API Calls in serial
Javascript Node.js
0 vote321 views1 answer
Chocolatey nodejs
Javascript Node.js
0 vote287 views1 answer
Node js send javascript
Javascript Node.js
0 vote293 views1 answer
Gps nodejs
Javascript Node.js
1 vote275 views1 answer
Node js procfile heroku starter
Javascript Node.js
0 vote286 views1 answer
Node js while loop with settimeout
Javascript Node.js
35 votes328 views3 answers
Export function node js
Javascript Node.js