The Child Process module in Node.js allows users to execute external processes in an environment. In this training video, you will understand how to use the exec function, which is perfect for system commands that synchronously run and output small amounts of data.
- Node.js comes with a Child Process module…which allows you to execute external…processes in your environment.…In other words, your Node.js app…can run and communicate with other…applications on the computer that it is hosting.…In the next two lessons we're going to take…a look at the two main functions…used to create Child Processes:…spawn and execute.…So far we've been working with…the terminal or the command prompt.…We can actually type other…terminal commands into this prompt.…For instance open . will open…my current folder inside of the finder.…
These commands are going to be…different based on the system.…In order to do this in Windows…you would explorer .…Some commands are the same for both systems.…Opening a URL for instance…will work the same in both systems;…open http:// your URL…will open that URL in your default browser.…But most commands are unique per system.…To list files on the Mac I would us the ls command…where as I would use the dir command…to list files on a PC.…
If I wanted to open an instance of the terminal…
Alex Banks shows how to install Node.js on a Mac or PC and work with the Node.js core: the global object, event loop, http module, and file system. Then he covers reading and writing data, streaming data, making http requests, and working with the node package manager (npm). In the final chapters, he shows how to start sessions on web servers, communicate with web servers and clients with WebSockets, use the Express framework to develop applications, and test and debug Node.js code. Want to speed up your Node.js workflow? Check out the tutorials on automating tasks with Grunt and npm scripts.
- What is Node.js?
- Installing Node.js
- Understanding the global object and global timing
- Importing the core modules
- Handling events
- Creating child processes
- Reading, writing, and removing files
- Working with file streams
- Making http requests
- Serving files and JSON data
- Installing npm, the node package manager
- Working with Express, the web server framework
- Using WebSockets
- Testing and debugging Node.js code
- Working with Grunt and Browserify
- Automating tasks with npm scripts
Skill Level Intermediate
Q: This course was updated on 09/06/2017. What changed?
A: New videos were added that cover upgrading Node. In addition, the following topic was updated: debugging with npm.
1. What Is Node.js?
2. Installing Node.js
3. Node Core
4. Node Modules
5. The File System
6. The HTTP Module
7. Node Package Manager
Installing npms locally4m 4s
8. Web Servers
Creating a WebSocket server8m 30s
10. Testing and Debugging
11. Automation and Deployment
Next steps2m 4s
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