mirror of
https://github.com/uutils/coreutils
synced 2024-12-16 00:02:50 +00:00
61 lines
1.5 KiB
Rust
61 lines
1.5 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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extern mod extra;
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use std::os;
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use std::io::stderr;
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use extra::getopts::groups;
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fn main() {
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let args = os::args();
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let program = args[0].clone();
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let opts = ~[
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groups::optflag("h", "help", "display this help and exit"),
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groups::optflag("V", "version", "output version information and exit"),
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];
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let matches = match groups::getopts(args.tail(), opts) {
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Ok(m) => m,
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Err(f) => {
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writeln!(&mut stderr() as &mut Writer,
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"Invalid options\n{}", f.to_err_msg());
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os::set_exit_status(1);
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return
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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(groups::usage("Repeatedly output a line with all specified STRING(s), or 'y'.", opts));
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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";
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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);
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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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