improve arguments

add new line before favicon

src/args.yml

@@ -2,13 +2,11 @@ name: "mcstat"
 about: "queries information about a minecraft server"
 args:
     - ip:
-          value_name: "IP_ADDRESS"
           help: "the ip of the server to ping"
           takes_value: true
           index: 1
           required: true
     - port:
-          value_name: "PORT"
           help: "the port of the server"
           long: "port"
           short: p
@@ -16,24 +14,35 @@ args:
           takes_value: true
     - protocol-version:
           long: "protocol"
-          value_name: "PROTOCOL_VERSION"
           help: "the protocol version to use"
           default_value: "751"
           takes_value: true
+
+    # IMAGE ARGS
     - image:
-          short: i
-          help: "if the server's favicon should be printed as ASCII art"
+        short: i
+        help: "if the server's favicon should be printed as ASCII art"
     - color:
-          short: c
-          help: "if the favicon image should be printed with ANSI color formatting or monochrome"
+        short: c
+        help: "if the favicon image should be printed with ANSI color formatting or monochrome"
     - size:
-          short: s
-          help: "the size of the image"
-          takes_value: true
-          default_value: "16"
+        short: s
+        help: "the size of the image"
+        takes_value: true
+        default_value: "16"
     - deep:
-          short: d
-          help: "if provided the ascii image will have more different characters"
+        short: d
+        help: "if provided the ascii image will have more different characters"
     - invert:
-          short: n
-          help: "inverts the ascii image thickness"
+        short: n
+        help: "inverts the ascii image thickness"
+
+groups:
+    - img-flags:
+          requires: "image"
+          multiple: true
+          args:
+            - color
+            - size
+            - deep
+            - invert

src/main.rs

@@ -107,6 +107,7 @@ async fn main() -> Result<(), Box<dyn Error>> {
     if let Some(img) = image {
         let stdout = std::io::stdout();
         let mut handle = stdout.lock();
+        handle.write_all(&[b'\n'])?;
         handle.write_all(&img.await?)?;
     }
     //endregion