Capitalization script developed to run with Node

capitalize.js

#!/usr/bin/env node

let args = process.argv.slice(2)

if (args.length === 1) {
    args = args[0].split(' ')
}

for (let i in args) {
    args[i] = args[i].toLowerCase()
    args[i] = args[i][0].toUpperCase() + args[i].substring(1)
}

console.log(args.join(' '))