fix: Check for missing arguments and exit gracefully

2020-08-16 21:29:21 +02:00 · 2020-08-16 21:29:21 +02:00 · 15736f91d9
commit 15736f91d9
parent f74ff68b76
1 changed files with 6 additions and 0 deletions
--- a/main.go
+++ b/main.go
@ -34,6 +34,12 @@ Examples:
 		fmt.Fprintf(flag.CommandLine.Output(), helpMsg, exeName)
 	}

+	// Show help and exit if no arguments are provided
+	if len(os.Args) <= 1 {
+		flag.Usage()
+		os.Exit(1)
+	}
+
 	// Name, default val, help
 	m := flag.String("m", "get", "Method for the request.")