fix empty command exec bug

1 files changed, 9 insertions, 10 deletions

diff --git a/src/app.rs b/src/app.rs
index 8543c85..063f54f 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -272,16 +272,15 @@ impl<'ctx> AppState<'ctx> {
     }
 
     fn eval_command(&mut self) {
-        self.command_box.hist_append();
-        match self.command_box.text.as_str() {
-            "(save)" => {
-                let image = self.export();
-                let encoded = image.encode().unwrap();
-                let mut buffer = File::create("test.obi").unwrap();
-                eprintln!("writing to file");
-                buffer.write_all(&encoded[..]).unwrap();
-            }
-            _ => {}
+        if let Some(path) = self.command_box.text.strip_prefix("(save ") {
+            let image = self.export();
+            let encoded = image.encode().unwrap();
+            let mut buffer = File::create(path).unwrap();
+            eprintln!("writing to file");
+            buffer.write_all(&encoded[..]).unwrap();
+            self.command_box.hist_append();
+        } else {
+            eprintln!("cmd: {}", self.command_box.text);
         }
         self.command_box.clear();
         self.mode = Mode::Draw;