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Implement mv's --strip-trailing-slashes

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This commit is contained in:
Remi Rampin 2015-06-30 13:22:08 -04:00
parent e7685e6fe9
commit b8d5602655
1 changed files with 18 additions and 6 deletions
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24
src/mv/mv.rs
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@ -18,7 +18,7 @@ extern crate libc;
use std::fs::{self, PathExt};
use std::io::{BufRead, BufReader, Result, stdin, Write};
use std::os::unix::fs::MetadataExt;
use std::path::PathBuf;
use std::path::{Path, PathBuf};
#[path = "../common/util.rs"]
#[macro_use]
@ -60,9 +60,8 @@ pub fn uumain(args: Vec<String>) -> i32 {
opts.optflag("f", "force", "do not prompt before overwriting");
opts.optflag("i", "interactive", "prompt before override");
opts.optflag("n", "no-clobber", "do not overwrite an existing file");
// I have yet to find a use-case (and thereby write a test) where this option is useful.
//opts.optflag("", "strip-trailing-slashes", "remove any trailing slashes from each SOURCE\n \
// argument");
opts.optflag("", "strip-trailing-slashes", "remove any trailing slashes from each SOURCE\n \
argument");
opts.optopt("S", "suffix", "override the usual backup suffix", "SUFFIX");
opts.optopt("t", "target-directory", "move all SOURCE arguments into DIRECTORY", "DIRECTORY");
opts.optflag("T", "no-target-directory", "treat DEST as a normal file");
@ -150,8 +149,21 @@ pub fn uumain(args: Vec<String>) -> i32 {
verbose: matches.opt_present("v"),
};
let string_to_path = |s: &String| { PathBuf::from(s) };
let paths: Vec<PathBuf> = matches.free.iter().map(string_to_path).collect();
let paths: Vec<PathBuf> = {
fn string_to_path<'a>(s: &'a String) -> &'a Path {
Path::new(s)
};
fn strip_slashes<'a>(p: &'a Path) -> &'a Path {
p.components().as_path()
}
let to_owned = |p: &Path| p.to_owned();
let arguments = matches.free.iter().map(string_to_path);
if matches.opt_present("strip-trailing-slashes") {
arguments.map(strip_slashes).map(to_owned).collect()
} else {
arguments.map(to_owned).collect()
}
};
if matches.opt_present("version") {
println!("{} {}", NAME, VERSION);