coreutils/src/groups/groups.rs
2015-05-25 14:50:15 -04:00

52 lines
1.3 KiB
Rust

#![crate_name = "groups"]
/*
* This file is part of the uutils coreutils package.
*
* (c) Alan Andrade <alan.andradec@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
*/
extern crate getopts;
use c_types::{get_pw_from_args, group};
use std::io::Write;
#[path = "../common/util.rs"] #[macro_use] mod util;
#[path = "../common/c_types.rs"] mod c_types;
static NAME: &'static str = "groups";
static VERSION: &'static str = "1.0.0";
pub fn uumain(args: Vec<String>) -> i32 {
let mut opts = getopts::Options::new();
opts.optflag("h", "help", "display this help menu and exit");
opts.optflag("V", "version", "display version information and exit");
let matches = match opts.parse(&args[1..]) {
Ok(m) => { m },
Err(f) => {
show_error!("{}", f);
return 1;
}
};
if matches.opt_present("version") {
println!("{} {}", NAME, VERSION);
} else if matches.opt_present("help") {
let msg = format!("{0} {1}
Usage:
{0} [OPTION]... [USER]...
Prints the groups a user is in to standard output.", NAME, VERSION);
print!("{}", opts.usage(&msg));
} else {
group(get_pw_from_args(&matches.free), true);
}
0
}