41 lines
1.1 KiB
Rust
41 lines
1.1 KiB
Rust
extern crate fatfs;
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extern crate chrono;
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use std::env;
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use std::fs::File;
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use chrono::{DateTime, Local};
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use fatfs::{FileSystem, FsOptions, BufStream};
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fn format_file_size(size: u64) -> String {
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const KB: u64 = 1024;
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const MB: u64 = 1024*KB;
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const GB: u64 = 1024*MB;
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if size < 1024 {
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format!("{}B", size)
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} else if size < MB {
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format!("{}KB", size / KB)
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} else if size < GB {
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format!("{}KB", size / MB)
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} else {
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format!("{}KB", size / GB)
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}
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}
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fn main() {
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let file = File::open("resources/fat32.img").unwrap();
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let mut buf_rdr = BufStream::new(file);
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let fs = FileSystem::new(&mut buf_rdr, FsOptions::new()).unwrap();
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let mut root_dir = fs.root_dir();
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let dir = match env::args().nth(1) {
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None => root_dir,
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Some(ref path) if path == "." => root_dir,
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Some(ref path) => root_dir.open_dir(&path).unwrap(),
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};
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for r in dir.iter() {
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let e = r.unwrap();
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let modified = DateTime::<Local>::from(e.modified()).format("%Y-%m-%d %H:%M:%S").to_string();
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println!("{:4} {} {}", format_file_size(e.len()), modified, e.file_name());
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}
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}
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