Exit

1 files changed, 18 insertions, 1 deletions

diff --git a/src/main.rs b/src/main.rs
index f5f96b4..93880de 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -16,6 +16,23 @@ fn read_stdin() -> Result<String, Box<dyn Error>> {
 fn main() -> Result<(), Box<dyn Error>> {
     loop {
         prompt()?;
-        let _user_input = read_stdin()?;
+        let user_input = read_stdin()?;
+
+        if user_input.len() == 0 {
+            // control-d or end of input. Needs to be specially handled before
+            // the match because this is identical to whitespace after the trim.
+            break;
+        }
+
+        match user_input.trim() {
+            "" => {}
+            "exit" => {
+                break;
+            }
+            other_input => {
+                println!("Unknown input {}", other_input);
+            }
+        }
     }
+    Ok(())
 }