From a04b3498b348c4b34507cc5d81309b5bd64941ee Mon Sep 17 00:00:00 2001
From: Kevin Hester <kevinh@geeksville.com>
Date: Sun, 30 Jun 2024 06:54:29 -0700
Subject: [PATCH] make specifying an argument to --seriallog optional thanks
 @ianmcorvidae for telling me about the cool nargs='?' option!

---
 .vscode/launch.json    | 2 +-
 meshtastic/__main__.py | 5 ++++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/.vscode/launch.json b/.vscode/launch.json
index aca86dde..b9195509 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -164,7 +164,7 @@
       "request": "launch",
       "module": "meshtastic",
       "justMyCode": true,
-      "args": ["--debug", "--seriallog", "stdout"]
+      "args": ["--debug", "--seriallog"]
     },
     {
       "name": "meshtastic test",
diff --git a/meshtastic/__main__.py b/meshtastic/__main__.py
index 781f6bf9..2f5ef2fa 100644
--- a/meshtastic/__main__.py
+++ b/meshtastic/__main__.py
@@ -1170,7 +1170,10 @@ def initParser():
 
     group.add_argument(
         "--seriallog",
-        help="Log device serial output to either 'stdout', 'none' or a filename to append to.",
+        help="Log device serial output to either 'none' or a filename to append to.  Defaults to 'stdout' if no filename specified.",
+        nargs='?',
+        const="stdout",
+        default=None
     )
 
     group.add_argument(