mirror of
https://github.com/uutils/coreutils
synced 2024-12-16 00:02:50 +00:00
60 lines
1.5 KiB
Rust
60 lines
1.5 KiB
Rust
#![crate_id(name="groups", vers="1.0.0", author="Alan Andrade")]
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/*
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* This file is part of the uutils coreutils package.
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*
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* (c) Alan Andrade <alan.andradec@gmail.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*
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*/
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#![feature(macro_rules)]
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extern crate getopts;
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use std::os;
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use getopts::{
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optflag,
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getopts,
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usage
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};
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use c_types::{get_pw_from_args, group};
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#[path = "../common/util.rs"] mod util;
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#[path = "../common/c_types.rs"] mod c_types;
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static NAME: &'static str = "groups";
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static VERSION: &'static str = "1.0.0";
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#[allow(dead_code)]
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fn main () { os::set_exit_status(uumain(os::args())); }
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pub fn uumain(args: Vec<String>) -> int {
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let program = args.get(0).clone();
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let options = [
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optflag("h", "help", "display this help menu and exit"),
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optflag("V", "version", "display version information and exit")
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];
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let matches = match getopts(args.tail(), options) {
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Ok(m) => { m },
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Err(f) => {
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show_error!("{}", f);
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return 1;
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}
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};
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if matches.opt_present("version") {
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println!("{} v{}", NAME, VERSION);
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} else if matches.opt_present("help") {
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print!("{} v{}\n\n\
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Usage:\n \
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{} [OPTION]... [USER]...\n\n\
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{}", NAME, VERSION, program, usage("Prints the groups a user is in to standard output.", options));
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} else {
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group(get_pw_from_args(&matches.free), true);
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}
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0
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}
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