js 입출력

const readline = require("readline");
const rl = readline.createInterface({
	input: process.stdin,
	output: process.stdout
});
let input = []
rl.on("line", function(line) {
	if(!line) {
		rl.close()
	}
	else {
		input.push(line)
	}
}).on("close", function() {
	sol(input);
	process.exit();

});
function sol(input){
	console.log(input+"hello")
}

https://forgottenknowledge.tistory.com/entry/%EC%95%8C%EA%B3%A0%EB%A6%AC%EC%A6%98-nodejs-%EC%9E%85%EC%B6%9C%EB%A0%A5-%EB%B0%A9%EB%B2%95-%EB%A7%81%ED%81%AC

알고리즘 :: node.js 입출력 방법 #백준 #구름