script to run arbitrary command javascript code example

Example 1: node execute shell commands

const { exec } = require("child_process");
exec("cat index.js", (error, data, getter) => {
	if(error){
		console.log("error",error.message);
		return;
	}
	if(getter){
		console.log("data",data);
		return;
	}
	console.log("data",data);

});

Example 2: javascript run command

const { execSync } = require('child_process');

const output = execSync('ls', { encoding: 'utf-8' });

console.log('The output is:');
console.log(output);