node.js: fs: readdir(path[, options], callback): list files asynchronously

fs.readdir(path[, options], callback)

This method read the contents of a directory asynchronously. Below table summarizes the arguments of readdir method.

Argument	Type	Description
path	string or Buffer or URL	Absolute path of the file
options	string or Object	Below table summarizes different options. Option Type Description encoding string Use this encoding scheme, while returning file names. Default value is utf8. If the encoding is set to 'buffer', the filenames returned will be passed as Buffer objects.
callback	Function	This function executes when the readdir executes successfully. Below table summarizes the arguments of callback function. Option Type Description err Error Error object is null on successful scenario. On failure case it represents  error stack trace. files string[] or Buffer[] Represents an array of the names of the files in the directory excluding '.' and '..'.

Find the below working example.

HelloWorld.js

var fs = require('fs');

var path = 'C:\\Users\\Public\\demo';

fs.readdir(path, (error, fileNames) => {
    if (error) {
        console.log('Error occured while read the files');
        return;
    }
    console.log(fileNames);
});

console.log('Done.......')

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