adding

app/Commands/LetsEncryptAddCommand.php

@@ -40,18 +40,27 @@ class LetsEncryptAddCommand extends Command
     {
         $domains = $this->argument('domain');
 
+        // adding flags
         $domainFlags = '';
 
+        // add file for domain
+        $saved = [];
+
+        // create flags 
         foreach($domains as $domain) {
             $domainFlags .= '-d '.$domain.' ';
+            $saved[$domain] = '/etc/letsencrypt/live/'.$domain.'/fullchain.pem';
         }
 
         exec('certbot --non-interactive --agree-tos -m '.$this->argument('email').' --nginx '.$domainFlags, $output);
         $this->line(implode("\n", $output));
 
-        foreach($output as $line) {
-            //Congratulations!
-            //check for string 
+        foreach($saved as $domain => $file) {
+            if (file_exists($file)) {
+                $this->info($domain.'...Success!');
+            } else {
+                $this->error($domain.'...Failed!');
+            }
         }
     }
 }