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https://github.com/uutils/coreutils
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Add unlink command.
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1
Makefile
1
Makefile
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@ -26,6 +26,7 @@ PROGS := \
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tee \
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tee \
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true \
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true \
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truncate \
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truncate \
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unlink \
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wc \
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wc \
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yes \
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yes \
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hostname \
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hostname \
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@ -146,7 +146,6 @@ To do
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- uname-uname
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- uname-uname
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- unexpand
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- unexpand
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- uniq (in progress)
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- uniq (in progress)
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- unlink
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- who
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- who
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License
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License
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87
unlink/unlink.rs
Normal file
87
unlink/unlink.rs
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@ -0,0 +1,87 @@
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#![crate_id(name="unlink", vers="1.0.0", author="zvms")]
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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) Colin Warren <me@zv.ms>
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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: unlink (GNU coreutils) 8.21 */
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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;
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use std::io::fs;
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use std::io::print;
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#[path = "../common/util.rs"]
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mod util;
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static NAME: &'static str = "unlink";
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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!("unlink 1.0.0");
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println!("");
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println!("Usage:");
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println!(" {0:s} [FILE]... [OPTION]...", program);
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println!("");
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print(getopts::usage("Unlink the file at [FILE].", opts));
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return;
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}
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if matches.opt_present("version") {
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println!("unlink 1.0.0");
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return;
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}
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if matches.free.len() == 0 {
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crash!(1, "missing operand\nTry '{0:s} --help' for more information.", program);
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} else if matches.free.len() > 1 {
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crash!(1, "extra operand: '{1}'\nTry '{0:s} --help' for more information.", program, matches.free.get(1));
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}
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let path = Path::new(matches.free.get(0).clone());
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let result = path.lstat().and_then(|info| {
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match info.kind {
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io::TypeFile => Ok(()),
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io::TypeSymlink => Ok(()),
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_ => Err(io::IoError {
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kind: io::OtherIoError,
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desc: "is not a file or symlink",
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detail: None
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})
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}
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}).and_then(|_| {
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fs::unlink(&path)
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});
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match result {
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Ok(_) => (),
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Err(e) => {
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crash!(1, "cannot unlink '{0}': {1}", path.display(), e.desc);
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}
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}
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}
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