coreutils/pwd/pwd.rs
Michael Gehring 30bba07f9c always build multicall binary
squashed:
	a2c6b27 - build: automatically generate main() files
	c942f0f - remove MULTICALL=1 build from travis
	cb7b35b - make: remove unnecessary shell command
	69bbb31 - update README
	03a3168 - all: move main() into separate file that links against util crate
	8276384 - make: always build multicall binary
	aa4edeb - make: avoid 'rustc --crate-file-name'
2014-06-26 10:26:16 +02:00

58 lines
1.4 KiB
Rust

#![crate_id(name="pwd", vers="1.0.0", author="Heather Cynede")]
/*
* This file is part of the uutils coreutils package.
*
* (c) Derek Chiang <derekchiang93@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
#![feature(macro_rules)]
extern crate getopts;
extern crate libc;
use std::io::print;
#[path = "../common/util.rs"]
mod util;
static NAME: &'static str = "pwd";
static VERSION: &'static str = "1.0.0";
pub fn uumain(args: Vec<String>) -> int {
let program = args.get(0).clone();
let opts = [
getopts::optflag("", "help", "display this help and exit"),
getopts::optflag("", "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)
}
};
if matches.opt_present("help") {
println!("pwd {}", VERSION);
println!("");
println!("Usage:");
println!(" {0:s} [OPTION] NAME...", program);
println!("");
print(getopts::usage("Print the full filename of the current working directory.", opts).as_slice());
} else if matches.opt_present("version") {
println!("pwd version: {}", VERSION);
return 0;
} else {
let cwd = std::os::getcwd();
println!("{}", cwd.display());
return 0;
}
0
}