Node.js | stats.mtime Property

The stats.mtime property is an inbuilt application programming interface of the fs.Stats class is used to get the timestamp when the file is modified last time.

Syntax:

stats.mtime;

Parameters: Properties does not have any parameter.

Return Value: It returns a Date which represents the timestamp when the file is modified last time.

Below examples illustrate the use of stats.mtime property in Node.js:



Example 1:

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// Node.js program to demonstrate the   
// stats.mtime Property
  
// Accessing fs module
const fs = require('fs');
  
// Calling fs.Stats stats.mtime
// using stat
fs.stat('./', (err, stats) => {
    if (err) throw err;
  
    // The timestamp when the file
    // is last modified   
    console.log("Using stat: " + stats.mtime);
});
  
//using lstat
fs.lstat('./filename.txt', (err, stats) => {
    if (err) throw err;
  
    // The timestamp when the file
    // is last modified   
    console.log("Using lstat: " + stats.mtime);
});

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Output:

Using stat: Sun Jun 21 2020 01:08:08 GMT+0530 (India Standard Time)
Using lstat: Sun Jun 21 2020 01:10:16 GMT+0530 (India Standard Time)

Example 2:

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// Node.js program to demonstrate the   
// stats.mtime Property
  
// Accessing fs module
const fs = require('fs').promises;
  
// Calling fs.Stats stats.mtime
(async () => {
    const stats = await fs.stat('./filename.txt');
  
    // The timestamp when the file
    // is last modified  
    console.log("Using stat synchronous: "
                + stats.mtime);
})().catch(console.error)

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Output:

Using stat synchronous: Sun Jun 21 2020 01:10:16 GMT+0530
                                    (India Standard Time)

Note: The above program will compile and run by using the node filename.js command and use the file_path correctly.

Reference: https://nodejs.org/api/fs.html#fs_stats_mtime




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