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fs.open nodejs

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Masud Parvez answered on July 15, 2022 Popularity 9/10 Helpfulness 2/10

answer fs.open nodejs

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fs.open nodejs

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// Node.js program to demonstrate the
// fs.open() Method
/*fs.readFile() is only for reading the file and similarly fs.writeFile() is only 
for writing to a file, whereas fs.open() method does several operations on a file.*/

// Include the fs module
const fs = require('fs');
 
// Open file demo.txt in read mode
fs.open('demo.txt', 'r', function (err, f) {
    console.log('Saved!');
});

Popularity 9/10 Helpfulness 2/10 Language javascript

Source: www.geeksforgeeks.org

Tags: javascript

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Contributed on Oct 02 2023

Masud Parvez

0 Answers Avg Quality 2/10

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nodejs fs file system

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/*
	//Every file comes with a set of details that we can inspect using Node.js. 
    In particular, using the stat() method provided by the fs module.
    
    You call it passing a file path, and once Node.js gets the file details it 
    will call the callback function you pass, with 2 parameters: an error message, 
    and the file stats:
*/

const fs = require('fs');

// The simplest way to READ A FILE in Node.js is to use the 
// fs.readFile() method, passing it the file path, encoding and a 
// callback function that will be called with the file data 
// (and the error):
fs.readFile('/Users/joe/test.txt', 'utf8', (err, data) => {
  if (err) {
    console.error(err);
    return;
  }
  console.log(data);
});

// The easiest way to WRITE TO FILES in Node.js is to use the 
// fs.writeFile() API.
const content = 'Some content!';
fs.writeFile('/Users/joe/test.txt', content, err => {
  if (err) {
    console.error(err);
  }
  // file written successfully
});

fs.stat('/Users/joe/test.txt', (err, stats) => {
  if (err) {
    console.error(err);
  }
  // we have access to the file stats in `stats`
});

// Node.js also provides a sync method, which blocks the thread until the 
// file stats are ready:

try {
  const stats = fs.statSync('/Users/joe/test.txt');
} catch (err) {
  console.error(err);
}

/*
 // The file information is included in the stats variable. 
 	+ if the file is a directory or a file, using stats.isFile() 
    and stats.isDirectory()
    
	+ if the file is a symbolic link using stats.isSymbolicLink()
	
    + The file size in bytes using stats.size
*/

// With love @kouqhar

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: nodejs.dev

Tags: file

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Contributed on Apr 18 2023

kouqhar

0 Answers Avg Quality 2/10

node fs

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import * as fs from 'fs/promises';

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: nodejs.org

Tags: fs f

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Contributed on Jul 15 2022

sarah nguyen

0 Answers Avg Quality 2/10

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