44 lines
1.5 KiB
Rust
44 lines
1.5 KiB
Rust
use super::Cmd;
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use clap::{value_parser, Arg, ArgAction, ArgMatches, Command};
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use std::{env, error::Error, thread, time::Duration};
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#[derive(Debug)]
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pub struct Sleep;
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impl Cmd for Sleep {
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fn cli(&self) -> clap::Command {
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Command::new("sleep")
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.about("Suspend execution for an interval of time")
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.long_about(
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"The sleep utility suspends execution for a minimum of the specified number of seconds.\n\
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This number must be positive and may contain a decimal fraction.\n\
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sleep is commonly used to schedule the execution of other commands"
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)
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.author(env!("CARGO_PKG_AUTHORS"))
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.arg(
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Arg::new("seconds")
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.help("The number of seconds to sleep")
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.num_args(1)
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.allow_negative_numbers(false)
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.value_parser(value_parser!(f64))
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.required(true)
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.action(ArgAction::Set)
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)
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}
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#[allow(clippy::cast_sign_loss, clippy::cast_possible_truncation)]
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fn run(&self, matches: &ArgMatches) -> Result<(), Box<dyn Error>> {
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if let Some(raw) = matches.get_one::<f64>("seconds") {
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let seconds = *raw as u64;
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let nanos = ((raw % 1.0) * 10e-9) as u32;
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let s = Duration::new(seconds, nanos);
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thread::sleep(s);
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}
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Ok(())
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}
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fn path(&self) -> Option<shitbox::Path> {
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Some(shitbox::Path::Bin)
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}
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}
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