Page 130 - Nodejs 교과서 개정2판

• concat(배열) ߓৌ উী ٚ ߡಌٜਸ ೞա۽ ೤஝פ׮

• alloc(바이트) ࠼ ߡಌܳ ࢤࢿ೤פ׮ ߄੉౟ܳ ੋࣻ۽ ֍ਵݶ ೧׼ ௼ӝ੄ ߡಌо ࢤࢿؾפ׮

readFile ߑध੄ ߡಌо ಞܻೞӝח ೞ૑݅ ޙઁ੼ب ੓णפ׮ ݅ড ਊ۝੉ .#ੋ ౵ੌ੉ ੓ਵݶ ੍ਸ ٸ
ݫݽܻী .#੄ ߡಌܳ ٜ݅যঠ ೤פ׮ ੉ ੘সਸ زदী ৌ ѐ݅ ೧ب (#ী ׳ೞח ݫݽܻо ࢎਊؾפ

׮ ౠ൤ ࢲߡ୊ۢ ݻ ݺ੉ ੉ਊೡ૑ ݽܰח ജ҃ীࢲח ݫݽܻ ޙઁо ߊࢤೡ ࣻ ੓णפ׮

ژೠ ݽٚ ղਊਸ ߡಌী ׮ ॵ റীঠ ׮਺ ز੘ਵ۽ ֈযо޲۽ ౵ੌ ੍ӝ ঑୷ ౵ੌ ॳӝ ١੄ ઑ੘ਸ ো׳

ই ೡ ٸ ݒߣ ੹୓ ਊ۝ਸ ߡಌ۽ ୊ܻ೧ঠ ׮਺ ױ҅۽ ֈযт ࣻ ੓णפ׮

Ӓېࢲ ߡಌ੄ ௼ӝܳ ੘ѱ ݅ٚ റ ৈ۞ ߣਵ۽ աׇ ࠁղח ߑध੉ ١੢೮णפ׮ ৘ܳ ٜݶ ߡಌ .#ܳ ݅ٚ

റ .# ౵ੌਸ ߔ ߣী Ѧ୛ࢲ աׇ ࠁղח Ѫੑפ׮ ੉۽ॄ ݫݽܻ .#۽ .# ౵ੌਸ ੹࣠ೡ ࣻ ੓ण
פ׮ ੉ܳ ಞܻೞѱ ݅ٚ Ѫ੉ झ౟ܿੑפ׮

§ Ӓܿ झ౟ܿ

౵ੌਸ ੍ח झ౟ܿ ݫࢲ٘۽ח createReadStream੉ ੓णפ׮ ׮਺җ э੉ ࢎਊ೤פ׮

readme3.txt
저는 조금씩 조금씩 나눠서 전달됩니다. 나눠진 조각을 chunk라고 부릅니다.

createReadStream.js

const fs = require('fs');

const readStream = fs.createReadStream('./readme3.txt', { highWaterMark: 16 });
const data = [];

readStream.on('data', (chunk) => {
data.push(chunk);
console.log('data :', chunk, chunk.length);
});

readStream.on('end', () => {
console.log('end :', Buffer.concat(data).toString());
});