deleteEmptyDirectories example

// Find all files in Administration/Resources/app/administration/src/module except for de-DE.json and en-GB.json         $finder->in($adminDir . '/Resources/app/administration/src/module')
            ->notName('de-DE.json')
            ->notName('en-GB.json')
            ->files();

        foreach ($finder as $file) {
            unlink($file->getRealPath());
        }
        $progressBar->advance(25);

        $this->deleteEmptyDirectories($adminDir . '/Resources/app/administration/src/module');
        $progressBar->advance(25);

        // Find all the following directories and files and delete them         $this->removeDirectory($adminDir . '/Resources/app/administration/src/app/adapter');
        $this->removeDirectory($adminDir . '/Resources/app/administration/src/app/assets');
        $this->removeDirectory($adminDir . '/Resources/app/administration/src/app/asyncComponent');
        $this->removeDirectory($adminDir . '/Resources/app/administration/src/app/component');
        $this->removeDirectory($adminDir . '/Resources/app/administration/src/app/decorator');
        $this->removeDirectory($adminDir . '/Resources/app/administration/src/app/directive');
        $this->removeDirectory($adminDir . '/Resources/app/administration/src/app/filter');
        $this->removeDirectory($adminDir . '/Resources/app/administration/src/app/init');