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Add number of hard links column

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This is behaviour cribbed from ls. Even though I've never personally used it, I'm sure someone has a use for it.
This commit is contained in:
Ben S 2014-06-22 07:40:40 +01:00
parent 8839cf4ca5
commit fc8f8d6c6a
3 changed files with 14 additions and 7 deletions
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2
column.rs
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@ -4,6 +4,7 @@ pub enum Column {
FileSize(bool),
User(u64),
Group,
HardLinks,
}
// Each column can pick its own alignment. Usually, numbers are
@ -17,6 +18,7 @@ impl Column {
pub fn alignment(&self) -> Alignment {
match *self {
FileSize(_) => Right,
HardLinks => Right,
_ => Left,
}
}

3
file.rs
View File

@ -2,7 +2,7 @@ use colours::{Plain, Style, Black, Red, Green, Yellow, Blue, Purple, Cyan, Fixed
use std::io::{fs, IoResult};
use std::io;
use column::{Column, Permissions, FileName, FileSize, User, Group};
use column::{Column, Permissions, FileName, FileSize, User, Group, HardLinks};
use format::{format_metric_bytes, format_IEC_bytes};
use unix::Unix;
use sort::SortPart;
@ -94,6 +94,7 @@ impl<'a> File<'a> {
Permissions => self.permissions_string(),
FileName => self.file_name(),
FileSize(use_iec) => self.file_size(use_iec),
HardLinks => Red.paint(self.stat.unstable.nlink.to_str().as_slice()),
// Display the ID if the user/group doesn't exist, which
// usually means it was deleted but its files weren't.

16
options.rs
View File

@ -2,7 +2,7 @@ extern crate getopts;
use file::File;
use std::cmp::lexical_ordering;
use column::{Column, Permissions, FileName, FileSize, User, Group};
use column::{Column, Permissions, FileName, FileSize, User, Group, HardLinks};
use unix::get_current_user_id;
use std::ascii::StrAsciiExt;
@ -35,6 +35,7 @@ impl Options {
getopts::optflag("a", "all", "show dot-files"),
getopts::optflag("b", "binary", "use binary prefixes in file sizes"),
getopts::optflag("g", "group", "show group as well as user"),
getopts::optflag("l", "links", "show number of hard links"),
getopts::optflag("r", "reverse", "reverse order of files"),
getopts::optopt("s", "sort", "field to sort by", "WORD"),
];
@ -52,11 +53,14 @@ impl Options {
}
fn columns(matches: getopts::Matches) -> Vec<Column> {
let mut columns = vec![
Permissions,
FileSize(matches.opt_present("binary")),
User(get_current_user_id()),
];
let mut columns = vec![Permissions];
if matches.opt_present("links") {
columns.push(HardLinks);
}
columns.push(FileSize(matches.opt_present("binary")));
columns.push(User(get_current_user_id()));
if matches.opt_present("group") {
columns.push(Group);