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nishantsaini2331 · Sep 5, 2024 · 2adcd70 · 2adcd70
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diff --git a/Node/lec 68/2ndfile.js b/Node/lec 68/2ndfile.js
@@ -0,0 +1,5 @@
+
+
+const {add , multiply} = require("./calFun.js")
+let result = multiply(2, 3);
+console.log(result);
diff --git a/Node/lec 68/calFun.js b/Node/lec 68/calFun.js
@@ -0,0 +1,20 @@
+
+function add(a, b) {
+    return a + b;
+}
+
+function multiply(a, b) {
+    return a * b;
+}
+
+
+export default {add , multiply}  // esm
+
+// module.exports = { multiply, add }; //cjs
+
+
+// setTimeout(() => {
+//     console.log(module)
+// } , 1000)
+
+// console.log(module)
diff --git a/Node/lec 68/index.js b/Node/lec 68/index.js
@@ -0,0 +1,34 @@
+// console.log("kya hal hai bhai ke")
+
+// console.log(process.env)
+
+// let num1 = process.argv[2];
+// let num2 = process.argv[3];
+
+// console.log(Number(num1) + Number(num2))
+
+// console.log(process.argv1)
+
+// console.log("hello clg")
+// process.stdout.write("hello process \n")
+// process.stdout.write("hello process")
+
+// console.log("hello")
+
+// process.exit(1)
+
+// console.log("hello 2")
+
+// console.log(__dirname)
+// console.log(__filename);
+
+// const { add } = require("./calFun.mjs");
+
+// console.log(addFun)
+
+import add from "./calFun.js"
+
+// console.log(add)
+
+let result = add.add(4, 5);
+console.log(result);
diff --git a/Node/lec 68/package.json b/Node/lec 68/package.json
@@ -0,0 +1,3 @@
+{
+    "type": "module"
+}
diff --git a/Node/lec 69/ABC.txt b/Node/lec 69/ABC.txt
@@ -0,0 +1,3 @@
+hello ji
+hello ji 
+hello ji 
diff --git a/Node/lec 69/ffg/sdf.js b/Node/lec 69/ffg/sdf.js
diff --git a/Node/lec 69/index.js b/Node/lec 69/index.js
@@ -0,0 +1,88 @@
+const fs = require("fs");
+const os = require("os")
+
+// console.log(__dirname  +"/abc.txt")
+// console.log(__dirname  +"abc.txt")
+// const res = fs.writeFileSync(__dirname  +"/abc.txt" , "hello sir ")
+// const res = fs.writeFileSync(`${__dirname}/abc.txt` , "hello sir ji ")
+
+// fs.writeFile(`${__dirname}/abc.txt` , "hello sir ji " ,function (err){
+//     if (err) throw err;
+//     console.log('The file has been saved!');
+//   })
+
+// console.log(fs)
+
+// console.log("1")
+// const data = "a".repeat(500 * 1024 *1024)
+// let data2 = fs.writeFileSync("abc.txt" , data)
+// // console.log(data)
+// console.log("2")
+
+// console.log("1");
+// const data = "a".repeat(500 * 1024 * 1024);
+// fs.writeFile("abc.txt", data, (err) => {
+//     if (err) {
+//         console.log(err);
+//     } else {
+//         console.log("manla done hai");
+//     }
+// });
+
+// console.log("2");
+
+// console.log("1")
+// fs.readFile("abc.txt" , "utf-8" , (err, data) => {
+// if(err) throw err;
+// else {
+//     console.log(data)
+// }
+// })
+
+// console.log("2")
+
+// fs.unlink("hello.js") //delete file
+
+// fs.appendFile("abc.txt", "hello ji \n" , (err) => {
+//     if(err) throw err;
+//     console.log("done")
+// })
+
+// fs.copyFile("abc.txt" ,"xyz.txt" )
+
+// fs.mkdir("hello/anotherfile.js",  {recursive : true} ,(err, path) => {
+//     if (err) throw err;
+//     else {
+//         console.log(path);
+//     }
+// });
+
+// fs.rm("hello" , {recursive  : true})
+
+// console.log(__dirname)
+// console.log(__dirname.replace("lec 69", "lec 68"))
+
+// fs.readdir(__dirname.replace("lec 69", "lec 68"), {encoding  : "utf-8" ,recursive  :true }, (err, file) => {
+//     if (err) throw err;
+//     else console.log(file);
+
+// });
+
+
+//  const rezs = fs.readdir("ffg" ,  { withFileTypes : true}, (err, file) => {
+
+//         console.log(file)
+//  })
+
+
+
+
+// fs.rename("abc.txt", "ABC.txt")
+
+// const res =  fs.readdirSync(__dirname.replace("lec 69", "lec 68") , {withFileTypes  :true})
+// console.log(res)
+
+// console.log(os.cpus().length)
+// console.log(os.arch())
+
+
diff --git a/Node/lec 69/xyz.txt b/Node/lec 69/xyz.txt
@@ -0,0 +1,3 @@
+hello ji
+hello ji 
+hello ji 
diff --git a/Node/lec 70/index.html b/Node/lec 70/index.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+<body style="background-color: aquamarine;">
+    <h1 style="text-align: center ; margin: 20px;">[path]</h1>
+</body>
+</html>
diff --git a/Node/lec 70/server.js b/Node/lec 70/server.js
@@ -0,0 +1,27 @@
+const http = require("http");
+const fs = require("fs");
+
+const server = http.createServer(function (req, res) {
+    let filePath = __dirname + "/index.html";
+
+    // console.log(req.url)
+
+    if (req.url == "/" || req.url == "/about"|| req.url == "/contactus") {
+        let path = req.url.split("/")[1].toUpperCase();
+        console.log(req.method)
+        fs.readFile(filePath, { encoding: "utf-8" }, (err, data) => {
+            if (err) {
+                throw new Error("Not found");
+            } else {
+                data  = data.replace("[path]" , path == "" ? "Code thread" : path)
+                res.end(data);
+            }
+        });
+    } else {
+        return res.end(JSON.stringify({ message: "not found" }));
+    }
+});
+
+server.listen(3000, () => {
+    console.log("server started");
+});
diff --git a/Node/lec 71/index.html b/Node/lec 71/index.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+<body style="background-color: aquamarine;">
+    <h1 style="text-align: center ; margin: 20px; text-transform: capitalize;">[path]</h1>
+</body>
+</html>
diff --git a/Node/lec 71/index.js b/Node/lec 71/index.js
@@ -0,0 +1,61 @@
+const express = require("express");
+const app = express();
+const path = require("path");
+const fs = require("fs");
+
+// app.METHOD(path , handler)
+
+function dynamicData(req, res, route) {
+    fs.readFile(__dirname + "/index.html", { encoding: "utf-8" }, (err, data) => {
+        if (err) {
+            throw new Error("Not found");
+        } else {
+            data = data.replace("[path]", route == "" ? "Code thread" : route);
+            res.send(data);
+        }
+    });
+}
+
+// app.get("/", (request, response) => {
+//     // console.log("hello");
+//     // response.json({ message: "hello ji" });
+//     dynamicData(request, response, "");
+// });
+
+// app.get("/contactus", (request, response) => {
+//     dynamicData(request, response, "contactus");
+// });
+
+// app.get("/about", (request, response) => {
+//     dynamicData(request, response, "about");
+// });
+
+app.get([ "/" , "/about" , "/contactus"], (request, response) => {
+    let path = request.url.split("/")[1]
+        fs.readFile(__dirname + "/index.html", { encoding: "utf-8" }, (err, data) => {
+            if (err) {
+                throw new Error("Not found");
+            } else {
+                data  = data.replace("[path]" , path == "" ? "Code thread" : path)
+                response.send(data);
+            }
+        })
+});
+
+// app.use()
+
+// app.post("/", (req, res) => {
+//     res.send("hello");
+// });
+
+// app.put("/user", (req, res) => {
+//     res.send("Got a PUT request at /user");
+// });
+
+// app.delete("/user", (req, res) => {
+//     res.send("Got a DELETE request at /user");
+// });
+
+app.listen(3000, () => {
+    console.log("chl gaya bhaiye server");
+});