Node Js Command Line Interface With Code Examples

  • Updated
  • Posted in Programming
  • 4 mins read

Node Js Command Line Interface With Code Examples

In this publish, we’ll look at methods to clear up the Node Js Command Line Interface drawback utilizing examples from the programming language.

course of.stdin.on('information', (information) => {
    information = information.toString().trim();
	if (information === "Hi") {

Another methodology that’s described under with code examples can be utilized to deal with the identical subject Node Js Command Line Interface.

//Found it on this profile:
const readline = require('readline').createInterface({
  enter: course of.stdin,
  output: course of.stdout

readline.query('Who are you?', title => {
  console.log(`Hey there ${title}!`);

Using quite a few real-world examples, we’ve demonstrated methods to repair the Node Js Command Line Interface bug.

What is CLI in node JS?

What is a CLI software? CLI instruments help you run sure duties or operations proper out of your terminal or command line immediate. They might be constructed utilizing completely different programming languages, and one strategy to create a CLI software is by utilizing Node. js.04-Jun-2021

How do I create a node JS command line?

Here’s what it’s a must to do:

  • Create a folder named bin within the root listing of your challenge.
  • Inside bin create a file referred to as index. js This goes to be the entry level of our CLI.
  • Now open the bundle. json file and alter the “principal” half to bin/index.
  • Now manually add one other entry into the bundle.

How do I run a node JS terminal command?

Node. js can run shell instructions by utilizing the usual child_process module. If we use the exec() perform, our command will run and its output might be obtainable to us in a callback. If we use the spawn() module, its output might be obtainable through occasion listeners.19-Sept-2021

How do I open command immediate in node?

Try NodeJS with Visual Studio Code

  • Open your command line and create a brand new listing: mkdir HelloNode , then enter the listing: cd HelloNode.
  • Create a JavaScript file named “app.js” with a variable named “msg” inside: echo var msg > app.js.
  • Open the listing and your app.

What is npm CLI js?

npm is the bundle supervisor for the Node JavaScript platform. It places modules in place in order that node can discover them, and manages dependency conflicts intelligently. It is extraordinarily configurable to help quite a lot of use circumstances. Most generally, you employ it to publish, uncover, set up, and develop node packages.

What is a CLI software?

A command-line interface (CLI) is a text-based consumer interface (UI) used to run packages, handle laptop information and work together with the pc. Command-line interfaces are additionally referred to as command-line consumer interfaces, console consumer interfaces and character consumer interfaces.

How do I create a command line?

How do I create a command line software?

Build a Command-Line To-Do App With Python and Typer

  • Demo.
  • Project Overview.
  • Prerequisites.
  • Step 1: Set Up the To-Do Project.
  • Step 2: Set Up the To-Do CLI App With Python and Typer.
  • Step 3: Prepare the To-Do Database for Use.
  • Step 4: Set Up the To-Do App Back End.
  • Step 5: Code the Adding and Listing To-Dos Functionalities.

What is JavaScript CLI?

Command Line Input CLI is a command line program that accepts textual content enter to execute working system capabilities. In the Sixties, utilizing solely laptop terminals, this was the one strategy to work together with computer systems.

How do I run a node js script?

The ordinary strategy to run a Node. js program is to run the globally obtainable node command (as soon as you put in Node. js) and move the title of the file you wish to execute. While operating the command, be sure to are in the identical listing which incorporates the app.

Leave a Reply