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ls: add working listing of current dir if with flags

This commit is contained in:
g1n 2021-07-23 09:49:51 +00:00
parent 34b8816899
commit bb615b8061
1 changed files with 18 additions and 16 deletions
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34
src/ls.rs
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@ -5,30 +5,32 @@ fn main(){
let args: Vec<String> = env::args().collect();
let pwd = env::current_dir().unwrap();
let mut show_hidden = false;
if args.len() == 1 {
list_dir(pwd.display().to_string(), show_hidden);
} else {
for arg in 1..args.len() {
match args[arg].as_str() {
"--help" => {
println!("List files in directory");
},
"-a" | "--all" => {
show_hidden = true;
},
arg => {
list_dir(arg.to_string(), show_hidden);
},
}
let mut dir = pwd.to_str();
for arg in 1..args.len() {
match args[arg].as_str() {
"--help" => {
println!("List files in directory");
},
"-a" | "--all" => {
show_hidden = true;
},
arg => {
dir = Some(arg);
},
}
}
list_dir(dir.unwrap().to_string(), show_hidden);
}
fn list_dir(arg: String, show_hidden: bool) {
let files = fs::read_dir(arg.clone()).unwrap();
if show_hidden {
println!(".");
println!("..");
}
for entry in files {
let path = entry.unwrap().path();
let file = path.strip_prefix(arg.clone());
if file.clone().unwrap().display().to_string().starts_with('.') && !show_hidden{
if file.clone().unwrap().display().to_string().starts_with('.') && !show_hidden {
continue;
}
println!("{}", file.unwrap().display());