mirror of
https://github.com/uutils/coreutils
synced 2024-12-24 03:53:16 +00:00
62 lines
1.5 KiB
Rust
62 lines
1.5 KiB
Rust
#![crate_name = "uu_yes"]
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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 crate getopts;
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extern crate libc;
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#[macro_use]
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extern crate uucore;
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use getopts::Options;
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use std::io::Write;
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static NAME: &'static str = "yes";
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static VERSION: &'static str = env!("CARGO_PKG_VERSION");
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pub fn uumain(args: Vec<String>) -> i32 {
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let mut opts = Options::new();
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opts.optflag("h", "help", "display this help and exit");
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opts.optflag("V", "version", "output version information and exit");
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let matches = match opts.parse(&args[1..]) {
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Ok(m) => m,
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Err(f) => crash!(1, "invalid options\n{}", f)
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};
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if matches.opt_present("help") {
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println!("{} {}", NAME, VERSION);
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println!("");
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println!("Usage:");
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println!(" {0} [STRING]... [OPTION]...", NAME);
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println!("");
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print!("{}", opts.usage("Repeatedly output a line with all specified STRING(s), or 'y'."));
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return 0;
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}
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if matches.opt_present("version") {
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println!("{} {}", NAME, VERSION);
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return 0;
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}
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let string = if matches.free.is_empty() {
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"y".to_owned()
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} else {
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matches.free.join(" ")
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};
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exec(&string[..]);
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0
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}
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pub fn exec(string: &str) {
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while pipe_println!("{}", string) { }
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}
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