add line stripping, but the workflow is weird

src/main.rs

@@ -25,6 +25,11 @@ struct NeedsSort {
     value: bool,
 }
 
+#[derive(Resource, Debug)]
+struct NeedsStrip {
+    value: bool,
+}
+
 fn main() {
     App::new()
         .insert_resource(WinitSettings::desktop_app())
@@ -35,6 +40,7 @@ fn main() {
             value: "".to_string(),
         })
         .insert_resource(NeedsSort { value: false })
+        .insert_resource(NeedsStrip { value: false })
         .add_plugins(DefaultPlugins.set(WindowPlugin {
             primary_window: Some(Window {
                 title: "dsort".to_string(),
@@ -51,21 +57,33 @@ fn main() {
 fn process_text(
     mut output_text: ResMut<OutputText>,
     mut needs_sort: ResMut<NeedsSort>,
+    mut needs_strip: ResMut<NeedsStrip>,
     input_text: Res<InputText>,
 ) {
-    if needs_sort.value {
+    let needs_processing = needs_sort.value || needs_strip.value;
+
+    if needs_processing {
         let mut arr = input_text.value.lines().collect::<Vec<_>>();
+
+        if needs_strip.value {
             arr.retain(|&x| !x.is_empty());
+            needs_strip.value = false;
+        }
+
+        if needs_sort.value {
             arr.sort_by(|&a, &b| vsort::compare(a, b));
-        output_text.value = arr.join(LINE_ENDING);
             needs_sort.value = false;
         }
+
+        output_text.value = arr.join(LINE_ENDING);
+    }
 }
 
 fn ui_system(
     mut contexts: EguiContexts,
     mut input_text: ResMut<InputText>,
     mut needs_sort: ResMut<NeedsSort>,
+    mut needs_strip: ResMut<NeedsStrip>,
     output_text: Res<OutputText>,
 ) {
     contexts.ctx_mut().set_visuals(egui::Visuals::light());
@@ -76,11 +94,16 @@ fn ui_system(
 
         ui.with_layout(egui::Layout::top_down(egui::Align::Center), |ui| {
             ui.with_layout(egui::Layout::left_to_right(egui::Align::LEFT), |ui| {
-                let sort_button = ui.button("Sort & Remove Blanks");
+                let sort_button = ui.button("Sort");
                 if sort_button.clicked() {
                     needs_sort.value = true;
                 }
 
+                let strip_button = ui.button("Remove Blanks");
+                if strip_button.clicked() {
+                    needs_strip.value = true;
+                }
+
                 let copy_button = ui.button("Copy");
                 if copy_button.clicked() {
                     ui.output_mut(|o| o.copied_text = output_text.value.clone());