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basename: use fail instead of writeln to stderr

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Heather 2014-02-04 09:58:53 +04:00
parent 5581cd079b
commit 7ac3e0fb2c
1 changed files with 3 additions and 10 deletions
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13
basename/basename.rs
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@ -11,7 +11,7 @@
extern mod extra;
use std::io::{print, println, stderr};
use std::io::{print, println};
use std::os;
use std::str;
use std::str::StrSlice;
@ -27,20 +27,14 @@ fn main() {
//
// Argument parsing
//
let opts = ~[
groups::optflag("h", "help", "display this help and exit"),
groups::optflag("V", "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;
}
Ok(m) => m,
Err(f) => fail!("Invalid options\n{}", f.to_err_msg())
};
if matches.opt_present("help") {
@ -95,7 +89,6 @@ fn strip_dir(fullname :&~str) -> ~str {
if c == '/' || c == '\\' {
return name;
}
name = str::from_char(c) + name;
}