Use flag for 'all'

Author: barryvdh

src/Console/ExportCommand.php

@@ -37,7 +37,7 @@ public function __construct(Manager $manager)
      */
     public function handle()
     {
-        $group = $this->argument('group');
+        $group = $this->option('all') ? '*' : $this->argument('group');
         $json = $this->option('json');
 
         if (is_null($group) && !$json) {
@@ -74,7 +74,7 @@ public function handle()
     protected function getArguments()
     {
         return [
-            ['group', InputArgument::OPTIONAL, 'The group to export (`*` for all).'],
+            ['group', InputArgument::OPTIONAL, 'The group to export (--all for all).'],
         ];
     }
 
@@ -87,6 +87,7 @@ protected function getOptions()
     {
         return [
             ['json', 'J', InputOption::VALUE_NONE, 'Export anonymous strings to JSON'],
+            ['all', 'A', InputOption::VALUE_NONE, 'Export all groups'],
         ];
     }
 }