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Add a flag to print directories as files
Also, re-use the stat result from directory-checking.
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cbd2f1fa37
commit
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@ -16,6 +16,7 @@ Options
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- **-1**, **--oneline**: display one entry per line
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- **-a**, **--all**: show dot files
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- **-b**, **--binary**: use binary (power of two) file sizes
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- **-d**, **--list-dirs**: list directories as regular files
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- **-g**, **--group**: show group as well as user
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- **-h**, **--header**: show a header row
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- **-H**, **--links**: show number of hard links column
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@ -31,4 +32,4 @@ You can sort by **name**, **size**, **ext**, **inode**, or **none**.
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Installation
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------------
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exa is written in [Rust](http://www.rust-lang.org). You'll have to use the nightly -- I try to keep it up to date with the latest version when possible. You will also need [Cargo](http://crates.io), the Rust package manager. Once you have them both set up, a simple `cargo build` will pull in all the dependencies and compile exa.
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exa is written in [Rust](http://www.rust-lang.org). You'll have to use the nightly -- I try to keep it up to date with the latest version when possible. Once you have it set up, a simple `cargo build` will pull in all the dependencies and compile exa.
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36
src/exa.rs
36
src/exa.rs
@ -37,23 +37,37 @@ fn main() {
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}
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fn exa(opts: &Options) {
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let mut dirs: Vec<String> = vec![];
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let mut files: Vec<File> = vec![];
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// Separate the user-supplied paths into directories and files.
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// Files are shown first, and then each directory is expanded
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// and listed second.
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for file in opts.path_strs.iter() {
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let path = Path::new(file);
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match fs::stat(&path) {
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Ok(stat) => {
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if !opts.list_dirs && stat.kind == TypeDirectory {
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dirs.push(file.clone());
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}
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else {
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// May as well reuse the stat result from earlier
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// instead of just using File::from_path().
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files.push(File::with_stat(stat, path, None));
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}
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}
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Err(e) => println!("{}: {}", file, e),
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}
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}
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// It's only worth printing out directory names if the user supplied
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// more than one of them.
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let print_dir_names = opts.path_strs.len() > 1;
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let (dir_strs, file_strs) = opts.path_strs.clone().partition(|n| fs::stat(&Path::new(n)).unwrap().kind == TypeDirectory);
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let mut first = file_strs.is_empty();
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let mut files = vec![];
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for f in file_strs.iter() {
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match File::from_path(Path::new(f), None) {
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Ok(file) => files.push(file),
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Err(e) => println!("{}: {}", f, e),
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}
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}
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let mut first = files.is_empty();
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view(opts, files);
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for dir_name in dir_strs.into_iter() {
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for dir_name in dirs.into_iter() {
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if first {
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first = false;
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}
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13
src/file.rs
13
src/file.rs
@ -32,21 +32,24 @@ pub struct File<'a> {
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impl<'a> File<'a> {
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pub fn from_path(path: Path, parent: Option<&'a Dir<'a>>) -> IoResult<File<'a>> {
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let v = path.filename().unwrap(); // fails if / or . or ..
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let filename = String::from_utf8(v.to_vec()).unwrap_or_else(|_| panic!("Name was not valid UTF-8"));
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// Use lstat here instead of file.stat(), as it doesn't follow
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// symbolic links. Otherwise, the stat() call will fail if it
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// encounters a link that's target is non-existent.
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fs::lstat(&path).map(|stat| File::with_stat(stat, path.clone(), parent))
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}
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fs::lstat(&path).map(|stat| File {
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pub fn with_stat(stat: io::FileStat, path: Path, parent: Option<&'a Dir<'a>>) -> File<'a> {
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let v = path.filename().unwrap(); // fails if / or . or ..
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let filename = String::from_utf8(v.to_vec()).unwrap_or_else(|_| panic!("Name was not valid UTF-8"));
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File {
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path: path.clone(),
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dir: parent,
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stat: stat,
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name: filename.clone(),
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ext: File::ext(filename.clone()),
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parts: SortPart::split_into_parts(filename.clone()),
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})
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}
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}
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fn ext(name: String) -> Option<String> {
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@ -32,6 +32,7 @@ pub enum View {
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pub struct Options {
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pub header: bool,
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pub list_dirs: bool,
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pub path_strs: Vec<String>,
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pub reverse: bool,
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pub show_invisibles: bool,
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@ -46,6 +47,7 @@ impl Options {
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getopts::optflag("1", "oneline", "display one entry per line"),
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getopts::optflag("a", "all", "show dot-files"),
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getopts::optflag("b", "binary", "use binary prefixes in file sizes"),
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getopts::optflag("d", "list-dirs", "list directories as regular files"),
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getopts::optflag("g", "group", "show group as well as user"),
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getopts::optflag("h", "header", "show a header row at the top"),
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getopts::optflag("H", "links", "show number of hard links"),
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@ -61,6 +63,7 @@ impl Options {
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Err(f) => Err(f),
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Ok(ref matches) => Ok(Options {
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header: matches.opt_present("header"),
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list_dirs: matches.opt_present("list-dirs"),
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path_strs: if matches.free.is_empty() { vec![ ".".to_string() ] } else { matches.free.clone() },
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reverse: matches.opt_present("reverse"),
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show_invisibles: matches.opt_present("all"),
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