here's what it does if i feed your nit pick into it verbatim: use std::fs::File; use std::io::{self, Read}; use std::str::from_utf8; fn read_f

here's what it does if i feed your nit pick into it verbatim: use std::fs::File; use std::io::{self, Read}; use std::str::from_utf8; fn read_file_character_by_character(path: &str) -> io::Result<()> { // Open the file in read-only mode. let mut file = File::open(path)?; let mut buffer = [0; 4]; // UTF-8 character max byte length let mut temp_buffer = vec![]; while let Ok(bytes_read) = file.read(&mut buffer[..1]) { // Read byte by byte if bytes_read == 0 { // End of file break; } temp_buffer.push(buffer[0]); if let Ok(s) = from_utf8(&temp_buffer) { if s.chars().count() == 1 { // Complete character read print!("{}", s); temp_buffer.clear(); // Clear temp buffer for next character } } } Ok(()) } fn main() { let path = "path/to/your/file.txt"; if let Err(e) = read_file_character_by_character(path) { eprintln!("Error reading file: {}", e); } }