exa/exa.rs

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1.6 KiB
Rust
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extern crate getopts;
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use std::os;
use std::io;
use std::io::fs;
use file::File;
use column::{Column, defaultColumns};
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pub mod colours;
pub mod column;
pub mod format;
pub mod file;
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struct Options {
showInvisibles: bool,
}
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fn main() {
let args = os::args();
let program = args[0].as_slice();
let opts = ~[
getopts::optflag("a", "all", "show dot-files")
];
let matches = match getopts::getopts(args.tail(), opts) {
Ok(m) => m,
Err(f) => {
fail!("Invalid options\n{}", f.to_err_msg());
return
}
};
let opts = Options {
showInvisibles: matches.opt_present("all")
};
let strs = if matches.free.is_empty() {vec!(~"./")} else {matches.free.clone()};
for dir in strs.move_iter() {
list(opts, Path::new(dir))
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}
}
fn list(opts: Options, path: Path) {
let mut files = match fs::readdir(&path) {
Ok(files) => files,
Err(e) => fail!("readdir: {}", e),
};
files.sort_by(|a, b| a.filename_str().cmp(&b.filename_str()));
for subpath in files.iter() {
let file = File::from_path(subpath);
if file.name.starts_with(".") && !opts.showInvisibles {
continue;
}
let columns = defaultColumns();
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let mut cells = columns.iter().map(|c| file.display(c));
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let mut first = true;
for cell in cells {
if first {
first = false;
} else {
print!(" ");
}
print!("{}", cell);
}
print!("\n");
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}
}