terminado ej 1

Desarrollo/t1/main.js

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+/*
+Consigna:
+1- Bajar node.js
+2- Tomar dos standart input de un archivo txt, sumarlos y mostrarlos dentro de otro txt
+3- Ambos argumentos deben estar validados
+
+Uso:
+$ node main.js <in.txt >out.txt
+*/
+
+process.stdin.setEncoding('utf8');
+if (process.stdin.isTTY) {
+  process.stdout.write("Missing stdin redirection");
+  process.exit(1);
+}
+
+let chunks = "";
+
+process.stdin.on('data', (chunk) => {
+  chunks+= chunk;
+});
+
+process.stdin.on('end', () => {
+  const lines = chunks.trim().split(/\s+/);
+
+  const numbers = lines.map(line => Number(line.trim()));
+
+  numbers.forEach((x)=>{
+    if (isNaN(x)){
+      process.stdout.write("Invalid Input");
+      process.exit(1);
+    }
+  });
+
+  const sum = numbers.reduce((acc, curr) => acc + curr, 0);
+
+  process.stdout.write(`${sum}\n`);
+});