rust-fatfs/examples/write.rs

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Rust
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2017-11-09 03:40:36 +08:00
extern crate fatfs;
use std::fs::OpenOptions;
use std::io::prelude::*;
use fatfs::{FileSystem, FsOptions, BufStream};
fn main() {
let img_file = match OpenOptions::new().read(true).write(true).open("fat.img") {
Ok(file) => file,
Err(err) => {
println!("Failed to open image: {}", err);
return;
}
};
let mut buf_stream = BufStream::new(img_file);
let options = FsOptions::new().update_accessed_date(true);
let fs = FileSystem::new(&mut buf_stream, options).unwrap();
let mut file = fs.root_dir().create_file("hello.txt").unwrap();
file.write_all(b"Hello World!").unwrap();
}