mirror of
https://github.com/openobserve/openobserve.git
synced 2026-11-04 08:09:27 +00:00
21 lines
516 B
Rust
21 lines
516 B
Rust
use std::{
|
|
env,
|
|
fs::File,
|
|
io::{BufRead, BufReader},
|
|
process,
|
|
};
|
|
|
|
fn main() {
|
|
let file = env::args().nth(1).unwrap_or_else(|| {
|
|
eprintln!("Usage: {} <file>", env::args().next().unwrap());
|
|
process::exit(1)
|
|
});
|
|
let f = File::open(file).unwrap();
|
|
let reader = BufReader::new(f);
|
|
for line in reader.lines() {
|
|
let line = line.unwrap();
|
|
let data: serde_json::Value = serde_json::from_str(&line).unwrap();
|
|
println!("{:?}", data.is_null());
|
|
}
|
|
}
|