src/Tools/cpp_out/src/main.rs

@@ -32,24 +32,21 @@ fn configurate(cmd: &mut CommandLine) -> Result<Configuration, Error> {
     Ok(Configuration{file_name, data_name: std::mem::take(&mut cmd.data_name), line_feed: cpp_out::LineFeed::Windows, file_type})
 }
 
-fn run_main() -> Result<(), Error> {
-    match CommandLine::try_parse() {
-        Ok(mut cmd) => {
-            let cfg    = configurate(&mut cmd)?;
-            let input  = tool_helper::open_input(cmd.input_file)?;
-            let output = tool_helper::open_output(Some(cmd.output_file))?;
+fn run_main(mut cmd: CommandLine) -> Result<(), Error> {
+    let cfg    = configurate(&mut cmd)?;
+    let input  = tool_helper::open_input(cmd.input_file)?;
+    let output = tool_helper::open_output(Some(cmd.output_file))?;
 
-            return cpp_out::convert(cfg, input, output);
-        },
-        Err(error) => Err(tool_helper::Error::from_error(error))
-    }    
+    return cpp_out::convert(cfg, input, output);
 }
 
 fn main() {
-    match run_main() {
-        Ok(_) => (),
-        Err(error) => {
-            exit_with_error(error)
-        }
+    match CommandLine::try_parse() {
+        Ok(cmd)    => {
+            if let Err(error) = run_main(cmd) {
+                exit_with_error(error)
+            }
+        }, 
+        Err(error) => eprintln!("{}", error)
     }
 }

src/Tools/psxcdgen_ex/src/main.rs

@@ -55,13 +55,12 @@ fn run_main(cmd_line: CommandLine) -> Result<(), Error> {
 fn main() {
     match CommandLine::try_parse() {
         Ok(cmd_line) => {
-            match run_main(cmd_line) {
-                Ok(_)      => (),
-                Err(error) => exit_with_error(error)
+            if let Err(error) = run_main(cmd_line) {
+                exit_with_error(error)
             }
         },
         Err(error) => {
-            exit_with_error(Error::from_error(error))
+            eprintln!("{}", error)
         }
     }
 }