mqrs/src/sysv/list.rs
finga 1aab989000 Update build dependencies and edition
Use the 2021 Rust edition. To use current version of clap changes were
adapted.
2021-12-03 14:50:23 +01:00

25 lines
506 B
Rust

use anyhow::Result;
use clap::Parser;
use std::{
fs::File,
io::{BufRead, BufReader},
};
/// Print a list of existing message queues
#[derive(Debug, Parser)]
pub struct List {}
impl List {
pub fn run(&self) -> Result<()> {
for line in BufReader::new(File::open("/proc/sysvipc/msg")?).lines() {
for field in line?.split_whitespace().collect::<Vec<&str>>() {
print!("{0: <10}", field);
}
println!();
}
Ok(())
}
}