Instructions for using the fs.chown method in node.js_node.js

Method description:

Change file ownership.

Grammar:

Copy code The code is as follows:

fs.chown(path, uid, gid, [callback(err)])

Since this method belongs to the fs module, the fs module needs to be introduced before use (var fs= require(“fs”) )

Receive parameters:

path Directory path

uid User ID

gid Group identity (referring to the identity of the user of the shared resource system)

callback Callback, passing the exception parameter err

Example:

Copy code The code is as follows:

fs.chown('content.txt', uid, gid, function(err){
if(err){
console.log(err);
}else{
console.log("change done");
}
})

Source code:

Copy code The code is as follows:

fs.chown = function(path, uid, gid, callback) {
callback = makeCallback(callback);
if (!nullCheck(path, callback)) return;
binding.chown(pathModule._makeLong(path), uid, gid, callback);
};