How To Read a File With Node.js Tutorial
In this tutorial, you'll learn how to read a file with Node.js using the built in file system library in Node.js.
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If you're working with application and you need to know how to read a file with Node.js then this Node.js tutorial will take you through a few different ways you work with the built in file system library to read data from a a file in Node.js.
The first method we'll look at to read a file is the readFileSync function which as the name suggests will give us a synchronous call to the file system, blocking the main thread whilst it completes the file access. This is fine for small files but for larger files we may need to use an asynchronous method.
We'll finish up the video by looking at a couple of ways of making an asynchronous file read in Node.js including converting it into a promise.
Check out the other Junior Developer Central Node.js HowTo videos here: • Node.js HowTos
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