From 4f2468e14f574a93a2e9b688367b5752ed96ae7b Mon Sep 17 00:00:00 2001
From: Adi Vaknin <DeepSpace2@users.noreply.github.com>
Date: Thu, 23 Jul 2020 21:23:27 +0300
Subject: [PATCH] feat(cli): Added 'cls' command to 'watch' mode (#474)

---
 src/main.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index aa67aca646..0e1291c340 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -143,15 +143,18 @@ fn main() {
 
 fn spawn_watch_shell(failed_exercise_hint: &Arc<Mutex<Option<String>>>) {
     let failed_exercise_hint = Arc::clone(failed_exercise_hint);
-    println!("Type 'hint' to get help");
+    println!("Type 'hint' to get help or 'clear' to clear the screen");
     thread::spawn(move || loop {
         let mut input = String::new();
         match io::stdin().read_line(&mut input) {
             Ok(_) => {
-                if input.trim().eq("hint") {
+                let input = input.trim();
+                if input.eq("hint") {
                     if let Some(hint) = &*failed_exercise_hint.lock().unwrap() {
                         println!("{}", hint);
                     }
+                } else if input.eq("clear") {
+                    println!("\x1B[2J\x1B[1;1H");
                 } else {
                     println!("unknown command: {}", input);
                 }