diff --git a/Makefile b/Makefile index f225ed4d7..faa70ebf8 100644 --- a/Makefile +++ b/Makefile @@ -9,6 +9,7 @@ RMFLAGS := # Output names EXES := \ cat \ + dirname \ echo \ env \ false \ diff --git a/README.md b/README.md index 0fe404faa..3c05e623c 100644 --- a/README.md +++ b/README.md @@ -50,7 +50,6 @@ To do - dd - df - dircolors -- dirname - du - expand - expr diff --git a/dirname/dirname.rs b/dirname/dirname.rs new file mode 100644 index 000000000..e6e8222ed --- /dev/null +++ b/dirname/dirname.rs @@ -0,0 +1,70 @@ +#[link(name="dirname", vers="1.0.0", author="Derek Chiang")]; + +/* + * This file is part of the uutils coreutils package. + * + * (c) Derek Chiang + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +extern mod extra; + +use std::os; +use std::io::stderr; +use extra::getopts::groups; + +static VERSION: &'static str = "1.0.0"; + +fn main() { + let args = os::args(); + let program = args[0].clone(); + let opts = ~[ + groups::optflag("z", "zero", "separate output with NUL rather than newline"), + groups::optflag("", "help", "display this help and exit"), + groups::optflag("", "version", "output version information and exit"), + ]; + + let matches = match groups::getopts(args.tail(), opts) { + Ok(m) => m, + Err(f) => { + writeln!(&mut stderr() as &mut Writer, + "Invalid options\n{}", f.to_err_msg()); + os::set_exit_status(1); + return + } + }; + + if matches.opt_present("help") { + println("dirname " + VERSION + " - strip last component from file name"); + println(""); + println("Usage:"); + println!(" {0:s} [OPTION] NAME...", program); + println(""); + print(groups::usage("Output each NAME with its last non-slash component and trailing slashes +removed; if NAME contains no /'s, output '.' (meaning the current +directory).", opts)); + return; + } + + if matches.opt_present("version") { + return println("dirname version: " + VERSION); + } + + let separator = match matches.opt_present("zero") { + true => "\0", + false => "\n" + }; + + if !matches.free.is_empty() { + for path in matches.free.iter() { + let p = std::path::Path::init(path.clone()); + print(std::str::from_utf8_slice(p.dirname())); + print(separator); + } + } else { + println!("{0:s}: missing operand", program); + println!("Try '{0:s} --help' for more information.", program); + } +}