$ ng --version
(node:20286) fs: re-evaluating native module sources is not supported. If you are using the graceful-fs module, please update it to a more recent version.
Could not start watchman; falling back to NodeWatcher for file system events.
Visit http://ember-cli.com/user-guide/#watchman for more info.
angular-cli: 1.0.0-beta.6
node: 6.2.1
os: linux x64

$ ng g directive shared/directives/wrap-if
(node:20210) fs: re-evaluating native module sources is not supported. If you are using the graceful-fs module, please update it to a more recent version.
Could not start watchman; falling back to NodeWatcher for file system events.
Visit http://ember-cli.com/user-guide/#watchman for more info.
installing directive
  create src/app/shared/directives/wrap-if.directive.spec.ts
  create src/app/shared/directives/wrap-if.directive.ts

import { Directive } from '@angular/core';

@Directive({
  selector: '[wrap-if]'
})
export class WrapIf {

  constructor() {}

}