node-lessons/fileCreator.js at main · ColabFullstackClass/node-lessons · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
var fs = require("fs");

fs.appendFile("mynewfile1.txt", "\nHello content!", function (err) {
    if (err) throw err;
    console.log("Saved!");
});

fs.open("mynewfile2.txt", "w", function (err, file) {
    if (err) throw err;
    console.log("Saved!");
});

// fs.writeFile("mynewfile3.txt", "Hello content!", function (err) {
//     if (err) throw err;
//     console.log("Saved!");
// });

//UPDATE FILES
var fs = require("fs");

fs.writeFile("mynewfile3.txt", "This is my text", function (err) {
    if (err) throw err;
    console.log("Replaced!");
});

fs.readFile();

//delete a file
// fs.unlink("mynewfile2.txt", function (err) {
//     if (err) throw err;
//     console.log("File deleted!");
// });

//rename a file
fs.rename("mynewfile1.txt", "myrenamedfile.txt", function (err) {
    if (err) throw err;
    console.log("File Renamed!");
});