You can read a file using Node.js with the FS library. For this tutorial, we will use the FS library to read a JSON file and parse its contents. Configuration files are widely used in applications as a simple, quick way to store and retrieve settings and other things that need to pers...
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...
How do you get the size of a file using Node.js?Node.js has a built-in Fs core module that provides an fs.stat() function that lists the statistics for a file at a given path. Using those stats, we will get the file's size in bytes and also convert the bytes value to a human...
Because thereadFile()method is asynchronous, NodeJS will continue to execute your JavaScript code without waiting for the read process to finish. You can learn more about thereadFile()andreadFileSync()method here: NodeJS - read file content using the fs module And that’s how you can read...
To run/execute the TypeScript in Node.js using “ts-node”, first, install the “TypeScript” and “ts-node” in your Node.js project. Next, create a “.ts” extension file and write some code into it. After that, execute the “.ts” file with the help of the “ts-node”. It...
By using the Node.js module fs it’s easy to read from and write to files. In this tutorial you’ll earn how to use this module. Therefore a simple example will be implemented guiding you through the steps needed to perform read and write tasks with Node
Example (BAT file: RunJSXScript.bat). It's content:"C:\Program Files (x86)\Adobe\Adobe ExtendScript Toolkit CC\ExtendScript Toolkit.exe" -run \\123.456.78.09\AFolderNameHere\MyScript.jsx Additionally, I modified the JSX Script before execution as I needed to have parameters passed...
Here’s the syntax ofreadFile()method: fs.readFile("./data.txt","utf8",function(err,data){if(err){console.error(err);return;}console.log(data);}); You’ve just learned how to read the content of a file using NodeJS. BothreadFile()andreadFileSync()method buffers the entire file...
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:...
Node.js is a popular open-source runtime environment that can execute JavaScript outside of the browser using the V8 JavaScript engine, which is the same eng…