34 lines
766 B
Rust
34 lines
766 B
Rust
use std::env;
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use std::io::Result;
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fn watch_file(filename: &str) -> Result<()> {
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let mut watcher = kqueue::Watcher::new()?;
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watcher.add_filename(
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filename,
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kqueue::EventFilter::EVFILT_VNODE,
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kqueue::FilterFlag::NOTE_DELETE
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| kqueue::FilterFlag::NOTE_WRITE
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| kqueue::FilterFlag::NOTE_RENAME,
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)?;
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watcher.watch()?;
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println!("Watching for events, press Ctrl+C to stop...");
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for ev in watcher.iter() {
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println!("{:?}", ev);
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}
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Ok(())
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}
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fn main() {
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if let Some(filename) = env::args().nth(1) {
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if let Err(err) = watch_file(&filename) {
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println!("{:?}", err);
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}
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} else {
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println!("Usage: cargo run --example file <filename>");
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}
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}
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