@@ -97,25 +97,28 @@ class TestDotWidget(DotWidget):

 def main():

+    status = 0

     for arg in sys.argv[1:]:

         sys.stdout.write(arg + '\n')

         sys.stdout.flush()

         name, ext = os.path.splitext(os.path.basename(arg))

-        dotcode = open(arg, 'rb').read()

         widget = TestDotWidget(name)

         window = DotWindow(widget)

         window.connect('delete-event', Gtk.main_quit)

         try:

-            window.set_dotcode(dotcode)

-        except:

-            exc_info = sys.exc_info()

-            traceback.print_exception(*exc_info)

-            continue

-        try:

-            window.show()

-            Gtk.main()

+            try:

+                dotcode = open(arg, 'rb').read()

+                window.set_dotcode(dotcode)

+            except:

+                exc_info = sys.exc_info()

+                traceback.print_exception(*exc_info)

+                status = 1

+            else:

+                window.show()

+                Gtk.main()

         finally:

             window.destroy()

+    sys.exit(status)

 if __name__ == '__main__':