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