reordered construction of logfile and args to fix calling with --help

src/main.rs

@@ -25,6 +25,8 @@ const LOG_FILE: &str = "dirbuilder.log";
 const LOG_EXISTS_MSG: &str = "the log file exists, implying dirbuider didn't exit cleanly last time. consult the log and delete it before rerunning.";
 
 fn main() -> AnyResult<()> {
+    let args = Args::parse();
+
     let target = OpenOptions::new()
         .write(true)
         .create_new(true)
@@ -35,16 +37,14 @@ fn main() -> AnyResult<()> {
 
     let _redirect = Redirect::stderr(target)?;
 
-    do_tui()?;
+    do_tui(args)?;
 
     remove_file(LOG_FILE)?;
     
     Ok(())
 }
 
-fn do_tui() -> Result<(), Error> {
-    let args = Args::parse();
-    
+fn do_tui(args: Args) -> Result<(), Error> {    
     let mut terminal = Terminal::new()?;
     let area = terminal.size()?;