81 lines
2.5 KiB
Rust
81 lines
2.5 KiB
Rust
use std::env;
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use std::fs;
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use std::io::{stdout, Write};
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use std::path::Path;
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use std::os::unix::fs::PermissionsExt;
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/*extern crate chrono;
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use chrono::prelude::*;*/
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fn main(){
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let args: Vec<String> = env::args().collect();
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// Flags vars
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let mut show_hidden = false;
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let mut show_prev_and_current = false;
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let mut long_listing = false;
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// Directories
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let pwd = env::current_dir().unwrap();
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let mut dir = pwd.to_str();
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for arg in 1..args.len() {
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match args[arg].as_str() {
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"--help" => {
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println!("List files in directory");
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},
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"-a" | "--all" => {
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show_hidden = true;
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show_prev_and_current = true;
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},
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"-A" | "--almost-all" => {
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show_hidden = true;
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show_prev_and_current = false;
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},
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"-l" => {
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long_listing = true;
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},
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arg => {
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dir = Some(arg);
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},
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}
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}
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list_dir(dir.unwrap().to_string(), show_hidden, show_prev_and_current, long_listing);
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}
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fn list_dir(arg: String, show_hidden: bool, show_prev_and_current: bool, long_listing: bool) {
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let files = fs::read_dir(arg.clone()).unwrap();
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if show_hidden && show_prev_and_current {
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println!(".");
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println!("..");
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}
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for entry in files {
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let path = entry.unwrap().path();
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let file = path.strip_prefix(arg.clone());
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if file.clone().unwrap().display().to_string().starts_with('.') && !show_hidden {
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continue;
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}
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if long_listing {
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long_listing_format(Path::new(&path), file.unwrap().display().to_string());
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} else {
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print!("{} ", file.unwrap().display());
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}
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}
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if !long_listing {
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print!("\n");
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}
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stdout().flush().unwrap();
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}
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fn long_listing_format(path: &Path, file: String) -> std::io::Result<()> {
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let metadata = fs::metadata(path)?;
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let modified = metadata.modified();
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/*let timestamp = modified.parse::<i64>().unwrap();
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let naive = NaiveDateTime::fromtimestamp(timestamp, 0);
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let datetime: DateTime<Utc> = DateTime::from_utc(naive, Utc);*/
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let mut permissions_string = String::new();
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if metadata.is_dir() {
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permissions_string.push('d');
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} else {
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permissions_string.push('-');
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}
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println!("{}{:o} {} {}", permissions_string, metadata.permissions().mode(), metadata.len(), file);
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Ok(())
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}
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