vertx / io.vertx.rxjava.core.file / FileSystem / chmod

# chmod

`open fun chmod(path: String, perms: String, handler: Handler<AsyncResult<Void>>): FileSystem`

Change the permissions on the file represented by `path` to `perms`, asynchronously.

The permission String takes the form rwxr-x--- as specified here.

### Parameters

`path` - the path to the file

`perms` - the permissions string

`handler` - the handler that will be called on completion

Return
a reference to this, so the API can be used fluently