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Merge pull request #1030 from shinh/ls-B

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ls: Implement -B option
This commit is contained in:
mpkh 2017-04-01 16:28:16 +04:00 committed by GitHub
commit 16f1eab7d7
1 changed files with 18 additions and 3 deletions
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21
src/ls/ls.rs Normal file → Executable file
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@ -86,6 +86,9 @@ pub fn uumain(args: Vec<String>) -> i32 {
"almost-all",
"In a directory, do not ignore all file names that start with '.', only ignore \
'.' and '..'.")
.optflag("B",
"ignore-backups",
"Ignore entries which end with ~.")
.optflag("c",
"",
"If the long listing format (e.g., -l, -o) is being used, print the status \
@ -233,13 +236,25 @@ fn max(lhs: usize, rhs: usize) -> usize {
}
}
fn should_display(entry: &DirEntry, options: &getopts::Matches) -> bool {
let ffi_name = entry.file_name();
let name = ffi_name.to_string_lossy();
if !options.opt_present("a") && !options.opt_present("A") {
if name.starts_with('.') {
return false;
}
}
if options.opt_present("B") && name.ends_with('~') {
return false;
}
return true;
}
fn enter_directory(dir: &PathBuf, options: &getopts::Matches) {
let mut entries = safe_unwrap!(fs::read_dir(dir)
.and_then(|e| e.collect::<Result<Vec<_>, _>>()));
if !options.opt_present("a") && !options.opt_present("A") {
entries.retain(|e| !e.file_name().to_string_lossy().starts_with('.'))
}
entries.retain(|e| should_display(e, options));
let mut entries: Vec<_> = entries.iter().map(DirEntry::path).collect();
sort_entries(&mut entries, options);