Sometimes, we want to execute shell command in JavaScript.

In this article, we’ll look at how to execute shell command in JavaScript.

How to execute shell command in JavaScript?

To execute shell command in JavaScript, we can use child_process module’s execSync function.

For instance, we write

const { execSync } = require("child_process");
const output = execSync("ls", { encoding: "utf-8" });
console.log(output);

to call execSync with 'ls' and an object with the encoding to run the ls command and set the encoding of the output to Unicode.

Then we get the output of the command returned.

Conclusion

To execute shell command in JavaScript, we can use child_process module’s execSync function.