Bit of a hack to get shell escape working

src/main.rs

@@ -137,9 +137,15 @@ impl RustDoomLauncher {
     fn form_command_string(&self) -> String {
         match self.get_launcher_and_command(false) {
             Ok((launch, comms)) => {
-                //TODO - escape all the strings
-                let c = comms.join(" ");
-                format!("{} {}", launch, c)
+                let mut command_string = String::new();
+                // Feels like a bit of a hack, but it works I think
+                command_string.push_str(&Cow::from(launch).to_string());
+                for c in comms {
+                    command_string.push_str(" \'");
+                    command_string.push_str(c);
+                    command_string.push('\'')
+                }
+                command_string
             }
             Err(MyErrors::NoLauncher) => "Error: No launcher".to_string(),
             Err(MyErrors::NoIwad) => "Error: No IWAD".to_string(),
@@ -364,7 +370,9 @@ impl eframe::App for RustDoomLauncher {
                 ui.horizontal(|ui| {
                     let mut text = self.form_command_string();
                     let window_size = frame.info().window_info.size;
-                    ui.add(egui::TextEdit::multiline(&mut text).desired_width(window_size[0] * 0.9));
+                    ui.add(
+                        egui::TextEdit::multiline(&mut text).desired_width(window_size[0] * 0.9),
+                    );
                 });
             }
         });