From 1583671f84fbac94dd8397ce12d412ffe119271b Mon Sep 17 00:00:00 2001
From: Yash Karandikar <nerdstep710@gmail.com>
Date: Fri, 17 Sep 2021 12:54:01 -0500
Subject: [PATCH] Disallow empty input

---
 src/shell.rs | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/shell.rs b/src/shell.rs
index fc5891a..f4e2c42 100644
--- a/src/shell.rs
+++ b/src/shell.rs
@@ -1,7 +1,10 @@
 use crate::println;
 
 pub fn evaluate(command: &str) {
-    println!();
-    println!();
-    println!("[ {} ]", command.trim());
+    let res = command.trim();
+    if res != "" {
+        println!();
+        println!();
+        println!("[ {:#?} ]", res);
+    }
 }