Node.js stats.isCharacterDevice() Method from fs.Stats Class

The stats.isCharacterDevice() method is an inbuilt application programming interface of the fs.Stats class which is used to check whether fs.Stats object is of a character device or not.

Syntax:

stats.isCharacterDevice();

Parameters: This method does not accept any parameter.

Return Value: This method returns a boolean value, which is true if fs.Stats object describes a character device, false otherwise.

Below examples illustrate the use of stats.isCharacterDevice() method in Node.js:



Example 1:

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// Node.js program to demonstrate the   
// stats.isCharacterDevice() Method
  
// Accessing fs module
const fs = require('fs');
  
// Calling fs.Stats isCharacterDevice() method
fs.stat('./filename.txt', (err, stats) => {
    if (err) throw err;
  
    // console.log(`stats: ${JSON.stringify(stats)}`);
    console.log(stats.isCharacterDevice());
});

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Output:

false

Example 2:

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// Node.js program to demonstrate the   
// stats.isCharacterDevice() Method
  
// Accessing fs module
const fs = require('fs');
  
// Calling fs.Stats isCharacterDevice() method
fs.stat('./filename.txt', (err, stats) => {
    if (err) throw err;
    // console.log(`stats: ${JSON.stringify(stats)}`);
  
    if (stats.isCharacterDevice()) {
        console.log("fs.Stats describes a "
                + "character device");
    } else {
        console.log("fs.Stats does not "
            + "describe a character device");
    }
});

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Output:

fs.Stats does not describe a character device

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_ischaracterdevice




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