We will look at example of node js get file size in mb. i would like to share with you how to check file size in node js. We will use fs npm package for find file size using node.js. fs package provide statSync() for getting file size in mb. let's see simple example Step 1...
If path refers to asymbolic link, then the link is removed without affecting the file or directory to which that link refers. If the path refers to a file path that is not a symbolic link, the file is deleted. See thePOSIX unlink(2)documentation for more detail https://nodejs.org/api...
1.First, Go to your application project, Install copyfiles dependency with the below command Note: please add this as devDependencies using –save-dev npm install--save-devcopyfiles 2.把下面代码放到你的package.json,就像下图那个样子 2.In the package.json file, There is a script tag, add bel...
To get the file extension in a Node.js application, you can use the extname() method from the path built-in module. Here is an example: const path = require('path') path.extname('index.html') // .html path.extname('name.png') // .png path.extname('name.of.months.pdf') // ...
I have noticed what could be a big problem though for openSync, that when you open a file with openSync, you don't get the file descriptor. You only get it as an argument to the callback if you open with the asynchronous call. The problem is that you HAVE to have the file descripto...
Write Data To FilesThe easiest way to write data to files in Node.js is using the fs.writeFile() method.This method takes three parameters: the file path, the data to write, and a callback function, and writes the data asynchronously:...
Discover how to save a JSON object to file in Node.js, and retrieve it laterSometimes the best way to store some data in a Node.js application is to save it to the filesystem.If you have an object that can be serialized to JSON, you can use the JSON.stringify() method and the ...
We will define our read stream in index.js to get the data from read.txt. Copy some sample text into read.txt. Here is a link to generate large amounts of text that you can then copy into the file. In your index.js file, add the following code to require the 'fs' module to in...
Node.js lets the developers alter the files with its built-in fs (file system) module. The node js fs install module comes with all basic functions that you can perform for a specific file within your project. So, let's dive into the information on how to install fs module in Node.js...
Step 1: Include File System built-in module to your Node.js program. </> Copy var fs = require('fs'); Step 2: Read file using readFile() function. </> Copy fs.readFile('<fileName>',<callbackFunction>) Callback function is provided as an argument to readFile function. When readi...