From ceec896718e74bbc3913637dd04dacdfac0f0410 Mon Sep 17 00:00:00 2001
From: Sven Heidemann <sven.heidemann@sh-edraft.de>
Date: Sat, 19 Dec 2020 14:17:50 +0100
Subject: [PATCH] Improved error handling

---
 src/sh_edraft/cli/interpreter/interpreter.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/sh_edraft/cli/interpreter/interpreter.py b/src/sh_edraft/cli/interpreter/interpreter.py
index e1cf07ea..d3e580e4 100644
--- a/src/sh_edraft/cli/interpreter/interpreter.py
+++ b/src/sh_edraft/cli/interpreter/interpreter.py
@@ -16,6 +16,11 @@ class Interpreter:
     def interpret(self, input_string: str):
         input_list = input_string.split(' ')
         command = input_list[0]
+        if command is None or command == '':
+            Console.error(f'Expected command')
+            Console.error('Run \'cpl help\'')
+            return
+
         args = input_list[1:] if len(input_list) > 1 else []
 
         cmd = next(