mirror of
https://github.com/uutils/coreutils
synced 2024-10-07 00:19:14 +00:00
Add unlink command.
This commit is contained in:
parent
307a1b8138
commit
ee98e49514
1
Makefile
1
Makefile
|
@ -26,6 +26,7 @@ PROGS := \
|
|||
tee \
|
||||
true \
|
||||
truncate \
|
||||
unlink \
|
||||
wc \
|
||||
yes \
|
||||
hostname \
|
||||
|
|
|
@ -146,7 +146,6 @@ To do
|
|||
- uname-uname
|
||||
- unexpand
|
||||
- uniq (in progress)
|
||||
- unlink
|
||||
- who
|
||||
|
||||
License
|
||||
|
|
87
unlink/unlink.rs
Normal file
87
unlink/unlink.rs
Normal file
|
@ -0,0 +1,87 @@
|
|||
#![crate_id(name="unlink", vers="1.0.0", author="zvms")]
|
||||
|
||||
/*
|
||||
* This file is part of the uutils coreutils package.
|
||||
*
|
||||
* (c) Colin Warren <me@zv.ms>
|
||||
*
|
||||
* For the full copyright and license information, please view the LICENSE
|
||||
* file that was distributed with this source code.
|
||||
*/
|
||||
|
||||
/* last synced with: unlink (GNU coreutils) 8.21 */
|
||||
|
||||
#![feature(macro_rules)]
|
||||
|
||||
extern crate getopts;
|
||||
extern crate libc;
|
||||
|
||||
use std::os;
|
||||
use std::io;
|
||||
use std::io::fs;
|
||||
use std::io::print;
|
||||
|
||||
#[path = "../common/util.rs"]
|
||||
mod util;
|
||||
|
||||
static NAME: &'static str = "unlink";
|
||||
|
||||
fn main() {
|
||||
let args = os::args();
|
||||
let program = args.get(0).clone();
|
||||
let opts = ~[
|
||||
getopts::optflag("h", "help", "display this help and exit"),
|
||||
getopts::optflag("V", "version", "output version information and exit"),
|
||||
];
|
||||
|
||||
let matches = match getopts::getopts(args.tail(), opts) {
|
||||
Ok(m) => m,
|
||||
Err(f) => {
|
||||
crash!(1, "invalid options\n{}", f.to_err_msg())
|
||||
}
|
||||
};
|
||||
|
||||
if matches.opt_present("help") {
|
||||
println!("unlink 1.0.0");
|
||||
println!("");
|
||||
println!("Usage:");
|
||||
println!(" {0:s} [FILE]... [OPTION]...", program);
|
||||
println!("");
|
||||
print(getopts::usage("Unlink the file at [FILE].", opts));
|
||||
return;
|
||||
}
|
||||
|
||||
if matches.opt_present("version") {
|
||||
println!("unlink 1.0.0");
|
||||
return;
|
||||
}
|
||||
|
||||
if matches.free.len() == 0 {
|
||||
crash!(1, "missing operand\nTry '{0:s} --help' for more information.", program);
|
||||
} else if matches.free.len() > 1 {
|
||||
crash!(1, "extra operand: '{1}'\nTry '{0:s} --help' for more information.", program, matches.free.get(1));
|
||||
}
|
||||
|
||||
let path = Path::new(matches.free.get(0).clone());
|
||||
|
||||
let result = path.lstat().and_then(|info| {
|
||||
match info.kind {
|
||||
io::TypeFile => Ok(()),
|
||||
io::TypeSymlink => Ok(()),
|
||||
_ => Err(io::IoError {
|
||||
kind: io::OtherIoError,
|
||||
desc: "is not a file or symlink",
|
||||
detail: None
|
||||
})
|
||||
}
|
||||
}).and_then(|_| {
|
||||
fs::unlink(&path)
|
||||
});
|
||||
|
||||
match result {
|
||||
Ok(_) => (),
|
||||
Err(e) => {
|
||||
crash!(1, "cannot unlink '{0}': {1}", path.display(), e.desc);
|
||||
}
|
||||
}
|
||||
}
|
Loading…
Reference in a new issue