50 lines
1.4 KiB
Rust
50 lines
1.4 KiB
Rust
use clap::{Arg, ArgAction, Command};
|
|
use shitbox::Cmd;
|
|
use utmp_rs::UtmpEntry;
|
|
|
|
#[derive(Debug, Default)]
|
|
pub struct Who;
|
|
|
|
impl Cmd for Who {
|
|
fn cli(&self) -> Command {
|
|
Command::new("who")
|
|
.about("show who is logged on")
|
|
.author("Nathan Fisher")
|
|
.version(env!("CARGO_PKG_VERSION"))
|
|
.arg(
|
|
Arg::new("heading")
|
|
.help("print line of column headings")
|
|
.short('H')
|
|
.long("heading")
|
|
.action(ArgAction::SetTrue),
|
|
)
|
|
}
|
|
|
|
fn run(&self, matches: &clap::ArgMatches) -> Result<(), Box<dyn std::error::Error>> {
|
|
if matches.get_flag("heading") {
|
|
println!("NAME LINE TIME");
|
|
}
|
|
let entries = utmp_rs::parse_from_path("/var/run/utmp")?;
|
|
for e in entries.iter() {
|
|
match e {
|
|
UtmpEntry::UserProcess {
|
|
pid: _,
|
|
line,
|
|
user,
|
|
host: _,
|
|
session: _,
|
|
time,
|
|
} => {
|
|
println!("{user:9}{line:13}{} {}:{}", time.date(), time.hour(), time.minute());
|
|
}
|
|
_ => {}
|
|
}
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
fn path(&self) -> Option<shitbox::Path> {
|
|
Some(shitbox::Path::UsrBin)
|
|
}
|
|
}
|