Calling un-implemented convert function

src/Tools/Tests/Test.mk

@@ -7,6 +7,6 @@ test_cpp_out: always
 
 test_jaby_engine_fconv: always
 	@cargo build --manifest-path ../jaby_engine_fconv/Cargo.toml --release
-	@./../jaby_engine_fconv/target/release/jaby_engine_fconv --help
+	@./../jaby_engine_fconv/target/release/jaby_engine_fconv -o Test_Planschi.bin Test_PNG.PNG simple-tim full16
 
 always: ;

src/Tools/jaby_engine_fconv/src/images/reduced_tim/mod.rs

@@ -1,5 +1,5 @@
 use clap::{Args, ValueEnum};
-use tool_helper::{Input, Output};
+use tool_helper::{Error, Input, Output};
 
 #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, ValueEnum)]
 pub enum ColorDepth {
@@ -14,6 +14,6 @@ pub struct Arguments {
     color_depth: ColorDepth
 }
 
-pub fn convert(_input: Input, _output: Output) {
+pub fn convert(_args: Arguments, _input: Input, _output: Output) -> Result<(), Error> {
-    println!("Bin ein Planschbecken!");
+    Err(Error::new("Convert not implemented yet".to_owned(), Some(-2)))
 }

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"),
+        Ok(cmd) => {
-        Err(error) => println!("{}", error.to_string())
+            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);
     }
 }