diff --git a/Twig/Gettext/Extractor.php b/Twig/Gettext/Extractor.php
index e5247d9..634cb48 100644
--- a/Twig/Gettext/Extractor.php
+++ b/Twig/Gettext/Extractor.php
@@ -57,6 +57,9 @@ protected function reset()
     public function addTemplate($path)
     {
         $this->environment->loadTemplate($path);
+        if ($this->environment->isDebug()) {
+            fprintf(STDERR, $path . PHP_EOL);
+        }
     }
 
     public function addGettextParameter($parameter)
@@ -76,6 +79,10 @@ public function extract()
         $command .= ' ' . $this->environment->getCache() . '/*/*.php';
 
         $error = 0;
+        if ($this->environment->isDebug()) {
+            fprintf(STDERR, $command . PHP_EOL);
+        }
+
         $output = system($command, $error);
         if (0 !== $error) {
             throw new \RuntimeException(sprintf(
@@ -92,6 +99,8 @@ public function extract()
     public function __destruct()
     {
         $filesystem = new Filesystem();
-        $filesystem->remove($this->environment->getCache());
+        if (! $this->environment->isDebug()) {
+            $filesystem->remove($this->environment->getCache());
+        }
     }
 }
diff --git a/twig-gettext-extractor b/twig-gettext-extractor
index 57e5c1b..4be9b59 100755
--- a/twig-gettext-extractor
+++ b/twig-gettext-extractor
@@ -25,6 +25,7 @@ if (file_exists($a = __DIR__ . '/../../autoload.php')) {
 $twig = new Twig_Environment(new Twig\Gettext\Loader\Filesystem(DIRECTORY_SEPARATOR), [
     'cache' => implode(DIRECTORY_SEPARATOR, [sys_get_temp_dir(), 'cache', uniqid()]),
     'auto_reload' => true,
+    'debug' => getenv("TWIG_GETTEXT_EXTRACTOR_DEBUG")
 ]);
 $twig->addExtension(new Twig_Extensions_Extension_I18n());
 $twig->addExtension(new Symfony\Bridge\Twig\Extension\TranslationExtension(