Node.js fsPromises.lchown() Method
Last Updated :
08 Oct, 2021
The fsPromises.lchown() method is used to change the ownership of a file then resolves the Promise with no arguments upon success. The function accepts a user id and group id that can be used to set the respective owner and group.
Syntax:
fsPromises.lchown( path, uid, gid )
Parameters: This method accepts three parameters as mentioned above and described below:
- path: It is a String, Buffer or URL that denotes the path of the file of which the owner and group has to be changed.
- uid: It is an integer that denotes the user id that corresponds to the owner to be set.
- gid: It is an integer that denotes the group id that corresponds to the group to be set.
Note: This method is only implemented on macOS.
Example: Node.js program to demonstrate the fsPromises.lchown() method.
Filename: index.js
const fs = require( 'fs' );
const fsPromises = fs.promises;
let filepath = "example_file.txt" ;
let symlinkpath = "symlinkFile" ;
fs.symlinkSync(filepath, symlinkpath);
fs.lchown(symlinkpath, 1200, 1201)
.then( function () {
console.log( "Given uid and gid set successfully" );
})
. catch ( function (error) {
console.log(error);
});
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Step to run this program: Run index.js file using the following command:
node index.js
Before Running the Code:
xubuntu@xubuntu: ~/Desktop/fs-lchown$ ls -l
total 4
-rw-rw--w- 1 xubuntu xubuntu 4 Apr 26 05:10 example_file.txt
-rw-rw-r-- 1 xubuntu xubuntu 290 Apr 26 05:15 index.js
Output of the Code:
Given uid and gid set successfully
After Running the Code:
xubuntu@xubuntu: ~/Desktop/fs-lchown$ ls -l
total 4
-rw-rw--w- 1 xubuntu xubuntu 4 Apr 26 05:10 example_file.txt
-rw-rw-r-- 1 xubuntu xubuntu 290 Apr 26 05:15 index.js
lrwxrwxrwx 1 geeksforgeeks editor 16 Apr 26 09:15
symlinkFile -> example_file.txt
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