From 0039031dbdc7eb19d2c9cfe5872d512542e5b4f2 Mon Sep 17 00:00:00 2001
From: Liang Li <liliang6@me.com>
Date: Fri, 24 Dec 2021 22:55:27 +0800
Subject: [PATCH] minor fix for dysche-cli

Signed-off-by: Liang Li <liliang6@me.com>
---
 dysche-cli/src/main.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/dysche-cli/src/main.rs b/dysche-cli/src/main.rs
index 8307fca..03e3f28 100644
--- a/dysche-cli/src/main.rs
+++ b/dysche-cli/src/main.rs
@@ -93,6 +93,7 @@ fn main() {
                 _ => {},
             }
             let _ = clap::App::from_yaml(yml).print_help();
+            println!();
         },
     }
 
@@ -185,7 +186,7 @@ fn write_line(filename: &str, line: &str) -> i32 {
         .unwrap();
 
     match file.write_all(line.as_bytes()) {
-        Err(_e) => {
+        Err(_) => {
             println!("Write error");
             ret = -1;
         }
@@ -203,5 +204,5 @@ fn read_lines(filename: &str) -> io::Result<io::Lines<io::BufReader<File>>> {
         Err(why) => panic!("couldn't open {}: {}", &filename, why),
         Ok(file) => file,
     };
-    Ok(io::BufReader::new(file).lines())
+    return Ok(io::BufReader::new(file).lines());
 }
-- 
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