mirror of
https://github.com/uutils/coreutils
synced 2024-12-16 08:12:39 +00:00
65 lines
1.6 KiB
Rust
65 lines
1.6 KiB
Rust
#![crate_id(name="yes", vers="1.0.0", author="Seldaek")]
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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) Jordi Boggiano <j.boggiano@seld.be>
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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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/* last synced with: yes (GNU coreutils) 8.13 */
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#![feature(macro_rules)]
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extern crate getopts;
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extern crate libc;
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use std::os;
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use std::io::{print, println};
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#[path = "../common/util.rs"]
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mod util;
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static NAME: &'static str = "yes";
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fn main() {
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let args = os::args();
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let program = args.get(0).clone();
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let opts = ~[
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getopts::optflag("h", "help", "display this help and exit"),
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getopts::optflag("V", "version", "output version information and exit"),
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];
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let matches = match getopts::getopts(args.tail(), opts) {
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Ok(m) => m,
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Err(f) => {
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crash!(1, "invalid options\n{}", f.to_err_msg())
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}
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};
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if matches.opt_present("help") {
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println!("yes 1.0.0");
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println!("");
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println!("Usage:");
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println!(" {0:s} [STRING]... [OPTION]...", program);
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println!("");
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print(getopts::usage("Repeatedly output a line with all specified STRING(s), or 'y'.", opts).as_slice());
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return;
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}
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if matches.opt_present("version") {
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println!("yes 1.0.0");
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return;
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}
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let mut string = "y".to_string();
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if !matches.free.is_empty() {
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string = matches.free.connect(" ");
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}
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exec(string.as_slice());
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}
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pub fn exec(string: &str) {
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loop {
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println(string);
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}
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}
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