1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
extern crate content_inspector;
use std::env;
use std::fs::File;
use std::io::{Error, Read};
use std::path::Path;
use std::process::exit;
const MAX_PEEK_SIZE: usize = 1024;
fn main() -> Result<(), Error> {
let mut args = env::args();
if args.len() < 2 {
eprintln!("USAGE: inspect FILE [FILE...]");
exit(1);
}
args.next();
for filename in args {
if !Path::new(&filename).is_file() {
continue;
}
let file = File::open(&filename)?;
let mut buffer: Vec<u8> = vec![];
file.take(MAX_PEEK_SIZE as u64).read_to_end(&mut buffer)?;
let content_type = content_inspector::inspect(&buffer);
println!("{}: {}", filename, content_type);
}
Ok(())
}
|
