nrgrip/src/main.rs

49 lines
1.2 KiB
Rust

use std::env;
use std::fs::File;
use std::process;
extern crate nrgrip;
fn exit_usage(prog_name: &String) {
println!("Usage:\n\t{} <image.nrg>", prog_name);
process::exit(1);
}
fn main() {
let mut argv = env::args();
let prog_name = argv.next().unwrap_or("nrgrip".to_string());
let img_name = argv.next().unwrap_or("".to_string());
if img_name == "" {
exit_usage(&prog_name);
}
println!("NRG image name: {}", img_name);
// We don't support more than one input file
if argv.next().is_some() {
exit_usage(&prog_name);
}
// Open the image file
let fd = File::open(&img_name);
if fd.is_err() {
println!("Can't open \"{}\": {}",
img_name, fd.unwrap_err().to_string());
process::exit(1);
}
let mut fd = fd.unwrap();
// Read the image's metadata
match nrgrip::metadata::read_nrg_metadata(&mut fd) {
Err(err) => println!("Error reading \"{}\": {}",
img_name, err.to_string()),
Ok(metadata) => println!("\n\
*** Metadata ***\n\
{}", metadata),
}
}