extern crate fatfs; use std::env; use std::fs::File; use std::io::{self, prelude::*}; use fatfs::{FileSystem, FsOptions, BufStream}; fn main() -> io::Result<()> { let file = File::open("resources/fat32.img")?; let mut buf_rdr = BufStream::new(file); let fs = FileSystem::new(&mut buf_rdr, FsOptions::new())?; let root_dir = fs.root_dir(); let mut file = root_dir.open_file(&env::args().nth(1).unwrap())?; let mut buf = vec![]; file.read_to_end(&mut buf)?; print!("{}", String::from_utf8_lossy(&buf)); Ok(()) }