kageru
026db02c64
it doesn’t really seem to affect the performance anyway. vec.push() is pretty good
35 lines
1013 B
Rust
35 lines
1013 B
Rust
use std::fs::File;
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use std::io::{BufRead, BufReader, Result};
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use std::collections::HashMap;
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use std::fs;
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fn main() -> Result<()> {
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let file = File::open("beets_mv3u_renames")?;
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let mut renames = HashMap::new();
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for line in BufReader::new(file).lines() {
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let line = line?;
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let split: Vec<&str> = line.split("\t\t").collect();
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renames.insert(split[0].to_string(), split[1].to_string());
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}
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let mut outputs = Vec::new();
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let pls_file = File::open("playlist.m3u")?;
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for entry in BufReader::new(pls_file).lines() {
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let entry = entry?;
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let new = renames.get(&entry).unwrap_or(&entry).to_string();
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/*
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if new != &entry {
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println!("renamed “{}” to “{}”", entry, new);
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} else {
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println!("“{}” remains unchanged", entry);
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}
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*/
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outputs.push(new);
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}
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let data = outputs.join("\n");
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fs::write("playlist2.m3u", data).expect("unable to write");
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Ok(())
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}
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