redaxo example console command

user-export.diff

$ git diff --staged
diff --git a/redaxo/src/addons/project/lib/user_export.php b/redaxo/src/addons/project/lib/user_export.php
new file mode 100644
index 000000000..26a85625e
--- /dev/null
+++ b/redaxo/src/addons/project/lib/user_export.php
@@ -0,0 +1,25 @@
+<?php
+
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class rex_project_user_export_command extends rex_console_command {
+    protected function configure()
+    {
+        $this
+            ->setDescription('Export redaxo backend usernames as CSV');
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $users = rex_sql::factory();
+        $users->setQuery('SELECT id, login FROM '. rex::getTable('user'));
+        foreach($users as $user) {
+            $output->writeln($user->getValue('id').','. $user->getValue('login'));
+        }
+        $io = $this->getStyle($input, $output);
+
+        $io->success('Successfully exported '. $users->getRows() . ' users.');
+        return 0;
+    }
+}
diff --git a/redaxo/src/addons/project/package.yml b/redaxo/src/addons/project/package.yml
index 48beefbe3..9cfd98fde 100644
--- a/redaxo/src/addons/project/package.yml
+++ b/redaxo/src/addons/project/package.yml
@@ -3,6 +3,9 @@ version: dev
 author: Project Admin
 supportpage: www.redaxo.org/de/forum/

+console_commands:
+    project:user_export: rex_project_user_export_command
+
 # Load project addon late to be sure that
 #   - all other addons are booted before
 #   - the fragments from project addon are always "winning" over other fragment dirs