54 lines
1.6 KiB
Rust
54 lines
1.6 KiB
Rust
use clap::{crate_authors, crate_version, App, Arg};
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use color_eyre::eyre::{ContextCompat, Result, WrapErr};
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use rayon::prelude::*;
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use std::io::{self, stdin, stdout, BufRead, BufWriter, Write};
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use strsim::levenshtein;
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#[global_allocator]
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static A: bump_alloc::BumpAlloc = bump_alloc::BumpAlloc::new();
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fn main() {
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if let Err(err) = try_main() {
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eprintln!("{:?}", err);
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std::process::exit(1);
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}
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}
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fn try_main() -> Result<()> {
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color_eyre::install()?;
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let matches = App::new("similar-sort")
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.version(crate_version!())
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.author(crate_authors!())
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.about(
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"works like `sort`, but sorts according to edit distance instead of alphanumerically.",
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)
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.arg(Arg::new("target").about("sort according to distance from this string"))
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.get_matches();
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let target = matches
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.value_of("target")
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.context("could not retrieve target from args. Internal error; please report!")?;
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let lines: Vec<String> = stdin()
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.lock()
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.lines()
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.collect::<io::Result<Vec<String>>>()
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.context("could not read lines from stdin")?;
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let mut distances: Vec<(usize, &String)> = lines
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.iter()
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.map(|candidate| (levenshtein(target, candidate), candidate))
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.collect();
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distances.par_sort_unstable_by_key(|x| x.0);
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let mut out = BufWriter::new(stdout());
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for (_, candidate) in distances {
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writeln!(out, "{}", candidate).context("could not write to stdout")?;
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}
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out.flush().context("could not finish writing to stdout")?;
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Ok(())
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}
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