Calling un-implemented convert function

src/Tools/jaby_engine_fconv/src/main.rs

@@ -20,9 +20,23 @@ enum SubCommands {
     SimpleTIM(reduced_tim::Arguments)
 }
 
-fn main() {
+fn run_main() -> tool_helper::Result<()> {
     match CommandLine::try_parse() {
-        Ok(_cmd)   => println!("Planschbecken"),
-        Err(error) => println!("{}", error.to_string())
-    } 
+        Ok(cmd) => {
+            let input  = tool_helper::open_input(cmd.input_file)?;
+            let output = tool_helper::open_output(cmd.output_file)?;
+
+            match cmd.sub_command {
+                SubCommands::SimpleTIM(args) => reduced_tim::convert(args, input, output),
+            }
+        },
+        Err(error) => Err(tool_helper::Error::new(error.to_string(), None))
+    }    
+}
+
+fn main() {
+    if let Err(error) = run_main() {
+        println!("{}", error.text);
+        std::process::exit(error.exit_code);
+    }
 }