mirror of
https://github.com/uutils/coreutils
synced 2024-11-18 02:38:18 +00:00
70 lines
2 KiB
Rust
70 lines
2 KiB
Rust
#[crate_id(name="dirname", vers="1.0.0", author="Derek Chiang")];
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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) Derek Chiang <derekchiang93@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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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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static VERSION: &'static str = "1.0.0";
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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("z", "zero", "separate output with NUL rather than newline"),
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groups::optflag("", "help", "display this help and exit"),
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groups::optflag("", "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("dirname " + VERSION + " - strip last component from file name");
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println("");
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println("Usage:");
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println!(" {0:s} [OPTION] NAME...", program);
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println("");
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print(groups::usage("Output each NAME with its last non-slash component and trailing slashes
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removed; if NAME contains no /'s, output '.' (meaning the current
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directory).", opts));
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return;
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}
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if matches.opt_present("version") {
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return println("dirname version: " + VERSION);
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}
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let separator = match matches.opt_present("zero") {
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true => "\0",
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false => "\n"
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};
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if !matches.free.is_empty() {
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for path in matches.free.iter() {
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let p = std::path::Path::new(path.clone());
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print(std::str::from_utf8(p.dirname()));
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print(separator);
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}
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} else {
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println!("{0:s}: missing operand", program);
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println!("Try '{0:s} --help' for more information.", program);
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}
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}
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