Exit if specified config file does not exist

[lightcards.git] / lightcards / runner.py

diff --git a/lightcards/runner.py b/lightcards/runner.py
index 3b8737cab801bfe3ec5c46e53a06cd98a9f123ca..852bf5bf64b8c921e832aae4541554b87fc48f67 100644 (file)
--- a/lightcards/runner.py
+++ b/lightcards/runner.py
@@ -20,7 +20,9 @@ def parse_args():
     parser.add_argument(
         "-c",
         "--config",
+        metavar="path",
         type=str,
+        default="/dev/null",
         help="specify custom config file",
     )
     parser.add_argument(
@@ -29,7 +31,7 @@ def parse_args():
         metavar="view",
         type=int,
         choices=range(1, 4),
-        help="specify which view to start in (default = 1)",
+        help="specify which view to start in",
     )
     parser.add_argument("inp", metavar="input file", type=str, nargs=1)
     parser.add_argument(