Node.js · Theory

fs.unlinkSync() function in Node.js

Theory

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fs.unlinkSync() function in Node.js

fs.unlinkSync() function (node js) is simple if you keep it on paper. Priya uses it for read a big CSV in an upload job.

fs.unlinkSync() function (node js) on the board: createReadStream. Then say what read a big CSV looks like after.

Skip fs.unlinkSync() function (node js) and loading the whole file into RAM shows up in an upload job.

Priya ships fs.unlinkSync() function (node js) in an upload job. That is the use case worth saying.

fs.unlinkSync() function (node js) trap — loading the whole file into RAM. Priya loses marks for that every viva.

fs.unlinkSync() function (node js) is not a lonely heading. Priya ties it to read a big CSV.

Viva for fs.unlinkSync() function (node js): what it is → createReadStream → the mistake (loading the whole file into RAM).

Exam tip

For fs.unlinkSync() function (node js): definition + an upload job + one failure.

Example

const fs = require("fs");
const path = require("path");

const file = path.join(__dirname || ".", "demo.txt");
fs.writeFileSync(file, "hello node\n");
const text = fs.readFileSync(file, "utf8");
console.log(text.trim());
fs.unlinkSync(file);

fs.unlinkSync() function in Node.js — fs reads/writes files. Prefer promises/async APIs in real apps.

Short notes

Deffs.unlinkSync() function (node js) — Priya uses it for read a big CSV in an upload job.
Rulefs.unlinkSync() function (node js) → createReadStream.
Rememberfs.unlinkSync() function (node js) + npm (an upload job).
Usefs.unlinkSync() function (node js) in an upload job (read a big CSV).
Trapfs.unlinkSync() function (node js) — loading the whole file into RAM.
Exfs.unlinkSync() function (node js) → read a big CSV.

const fs = require("fs"); const path = require("path"); const file = path.join(__dirname || ".", "demo.txt"); fs.writeFileSync(file, "hello node\n"); const text = fs.readFileSync(file, "utf8"); console.log(text.trim()); fs.unlinkSync(file);

fs.unlinkSync() function in Node.js

Example

Short notes

Questions

fs.unlinkSync() function in Node.js

Example

Short notes

Questions