64 lines
1.8 KiB
Rust
64 lines
1.8 KiB
Rust
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use super::Cmd;
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use clap::{Arg, ArgAction, Command};
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use std::path::Path;
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#[derive(Debug)]
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pub struct Dirname {
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name: &'static str,
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path: Option<crate::Path>,
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}
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pub const DIRNAME: Dirname = Dirname {
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name: "dirname",
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path: Some(crate::Path::UsrBin),
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};
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impl Cmd for Dirname {
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fn name(&self) -> &str {
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self.name
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}
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fn cli(&self) -> clap::Command {
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Command::new("dirname")
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.about("strip last component from file name")
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.args([
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Arg::new("zero")
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.short('z')
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.long("zero")
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.help("end each output line with NUL, not newline")
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.action(ArgAction::SetTrue),
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Arg::new("name").num_args(1..).required(true),
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])
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}
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fn run(&self, matches: Option<&clap::ArgMatches>) -> Result<(), Box<dyn std::error::Error>> {
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if let Some(matches) = matches {
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if let Some(names) = matches.get_many::<String>("name") {
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names.for_each(|name| {
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let path = match Path::new(name).parent() {
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Some(p) => p,
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None => Path::new("."),
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};
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let path = path.to_string_lossy();
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let path = if path.is_empty() {
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String::from(".")
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} else {
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path.to_string()
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};
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if matches.get_flag("zero") {
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print!("{}\0", path);
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} else {
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println!("{}", path);
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}
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});
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}
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}
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Ok(())
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}
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fn path(&self) -> Option<crate::Path> {
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self.path
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}
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}
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