68 lines
1.8 KiB
Rust
68 lines
1.8 KiB
Rust
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use super::Cmd;
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use clap::{Arg, ArgMatches, Command};
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use std::io;
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#[derive(Debug)]
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pub struct Basename {
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name: &'static str,
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path: Option<crate::Path>,
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}
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impl Default for Basename {
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fn default() -> Self {
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Self {
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name: "basename",
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path: Some(crate::Path::UsrBin),
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}
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}
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}
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impl Cmd for Basename {
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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(self.name)
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.about("Print NAME with any leading directory components removed.")
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.long_about(
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"Print NAME with any leading directory components removed.\n\
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If specified, also remove a trailing SUFFIX.",
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)
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.author("Nathan Fisher")
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.args([
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Arg::new("NAME")
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.index(1)
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.required(true)
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.help("the filename to process"),
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Arg::new("SUFFIX")
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.index(2)
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.required(false)
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.help("the suffix to be removed"),
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])
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}
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fn run(&self, matches: Option<&ArgMatches>) -> Result<(), Box<dyn std::error::Error>> {
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let Some(matches) = matches else {
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return Err(Box::new(io::Error::new(io::ErrorKind::Other, "no input")));
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};
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if let Some(mut base) = matches
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.get_one::<String>("NAME")
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.and_then(|x| x.split('/').last())
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{
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if let Some(suffix) = matches.get_one::<String>("SUFFIX") {
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base = match base.strip_suffix(suffix) {
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Some(b) => b,
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None => base,
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};
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}
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println!("{base}");
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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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