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#[cfg(feature = "std")]
use fslock::LockFile;
#[cfg(feature = "std")]
use std::{env, fs::read_to_string, process};
#[cfg(feature = "std")]
fn main() -> Result<(), fslock::Error> {
let mut args = env::args();
args.next();
let path = match args.next() {
Some(arg) if args.next().is_none() => arg,
_ => {
eprintln!("Expected one argument");
process::exit(1);
},
};
let mut lockfile = LockFile::open(&path)?;
if lockfile.try_lock_with_pid()? {
let content_a = read_to_string(&path)?;
let content_b = read_to_string(&path)?;
assert!(content_a.trim().len() > 0);
assert!(content_a.trim().chars().all(|ch| ch.is_ascii_digit()));
assert_eq!(content_a, content_b);
println!("{}", content_a);
} else {
println!("FAILURE");
}
Ok(())
}
#[cfg(not(feature = "std"))]
fn main() {}
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