path

---

1. Get Absolute Path

const path = require('path');

const absolutePath = path.resolve(__dirname, 'test.txt');
console.log(absolutePath); // /Users/username/Documents/test.txt

2. Get File Name

const path = require('path');

const fileName = path.basename('/Users/username/Documents/test.txt');
console.log(fileName); // test.txt

3. Get File Extension

const path = require('path');

const fileExtension = path.extname('/Users/username/Documents/test.txt');
console.log(fileExtension); // .txt

4. Get Directory Name

const path = require('path');

const directoryName = path.dirname('/Users/username/Documents/test.txt');
console.log(directoryName); // /Users/username/Documents

5. Join Paths

const path = require('path');

const joinedPath = path.join('/Users/username/Documents', 'test.txt');
console.log(joinedPath); // /Users/username/Documents/test.txt

6. Resolve Relative Path

const path = require('path');

const resolvedPath = path.resolve('test.txt');
console.log(resolvedPath); // /Users/username/Documents/test.txt

7. Normalize Path

const path = require('path');

const normalizedPath = path.normalize('/Users/username/../Documents/test.txt');
console.log(normalizedPath); // /Users/username/Documents/test.txt

8. Is Absolute Path

const path = require('path');

const isAbsolutePath = path.isAbsolute('/Users/username/Documents/test.txt');
console.log(isAbsolutePath); // true

9. Is Relative Path

const path = require('path');

const isRelativePath = path.isRelative('test.txt');
console.log(isRelativePath); // true

10. Get Root

const path = require('path');

const root = path.parse('/Users/username/Documents/test.txt').root;
console.log(root); // /

11. Get Base

const path = require('path');

const base = path.parse('/Users/username/Documents/test.txt').base;
console.log(base); // test.txt

12. Get Dir

const path = require('path');

const dir = path.parse('/Users/username/Documents/test.txt').dir;
console.log(dir); // /Users/username/Documents

13. Get Ext

const path = require('path');

const ext = path.parse('/Users/username/Documents/test.txt').ext;
console.log(ext); // .txt

14. Get Name

const path = require('path');

const name = path.parse('/Users/username/Documents/test.txt').name;
console.log(name); // test

15. Create Folder

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

const folderPath = path.resolve(__dirname, 'new-folder');
fs.mkdirSync(folderPath);

16. Delete Folder

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

const folderPath = path.resolve(__dirname, 'new-folder');
fs.rmdirSync(folderPath);

17. Create File

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

const filePath = path.resolve(__dirname, 'new-file.txt');
fs.writeFileSync(filePath, 'Hello world!');

18. Read File

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

const filePath = path.resolve(__dirname, 'new-file.txt');
console.log(fs.readFileSync(filePath, 'utf-8')); // Hello world!

19. Append to File

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

const filePath = path.resolve(__dirname, 'new-file.txt');
fs.appendFileSync(filePath, '\nHello again!');

20. Delete File

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

const filePath = path.resolve(__dirname, 'new-file.txt');
fs.unlinkSync(filePath);

21. Copy File

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

const sourcePath = path.resolve(__dirname, 'new-file.txt');
const destinationPath = path.resolve(__dirname, 'new-file-copy.txt');
fs.copyFileSync(sourcePath, destinationPath);

22. Rename File

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

const oldPath = path.resolve(__dirname, 'new-file.txt');
const newPath = path.resolve(__dirname, 'renamed-file.txt');
fs.renameSync(oldPath, newPath);

23. Check if File Exists

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

const filePath = path.resolve(__dirname, 'new-file.txt');
console.log(fs.existsSync(filePath)); // true

24. Get File Size

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

const filePath = path.resolve(__dirname, 'new-file.txt');
console.log(fs.statSync(filePath).size); // 13

25. Get Last Modified Date

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

const filePath = path.resolve(__dirname, 'new-file.txt');
console.log(fs.statSync(filePath).mtime); // 2023-03-08T18:30:00.000Z

26. List Files in Directory

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

const directoryPath = path.resolve(__dirname, 'new-folder');
console.log(fs.readdirSync(directoryPath)); // ['renamed-file.txt']

27. Iterate Over Files in Directory

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

const directoryPath = path.resolve(__dirname, 'new-folder');
fs.readdirSync(directoryPath).forEach((file) => {
  console.log(file); // renamed-file.txt
});

28. Get Parent Directory

const path = require('path');

const parentDirectory = path.resolve(__dirname, '..');
console.log(parentDirectory); // /Users/username

29. Get Current Working Directory

const path = require('path');

console.log(path.cwd()); // /Users/username/Documents/project

30. Change Current Working Directory

const path = require('path');

path.chdir('/Users/username/Documents/new-project');
console.log(path.cwd()); // /Users/username/Documents/new-project

31. Get Unix File Permissions

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

const filePath = path.resolve(__dirname, 'new-file.txt');
console.log(fs.statSync(filePath).mode); // 420

32. Set Unix File Permissions

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

const filePath = path.resolve(__dirname, 'new-file.txt');
fs.chmodSync(filePath, 0o644);

33. Get Process CWD

const { cwd } = require('process');

console.log(cwd()); // /Users/username/Documents/project

34. Get Home Directory

const os = require('os');

console.log(os.homedir()); // /Users/username

35. Get Temporary Directory

const os = require('os');

console.log(os.tmpdir()); // /Users/username/Library/Caches/com.apple.Safari/SafariCache.db

36. Get Path to Module

const path = require('path');

const modulePath = path.dirname(require.main.filename);
console.log(modulePath); // /Users/username/Documents/project/src