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How to read command line arguments in NodeJS?

Let’s assume you are passing a few values from the command line when you are running a node command.

$ node app.js 1 2 3

These values can be read inside your code using process.argv. All command-line arguments in NodeJS are stored in a global variable process.argv as an array.


You can just read the values from this array using the indices.

let args = process.argv
console.log(args[0]); //1
console.log(args[1]); //2
console.log(args[2]); //3

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