jeang3nie/shitbox
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Add sleep applet

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This commit is contained in:
Nathan Fisher 2022-12-20 18:35:45 -05:00
parent 228e1c779f
commit a2e80dc867
10 changed files with 67 additions and 24 deletions
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10
src/cli.rs
View File

@ -1,5 +1,5 @@
use crate::cmd::{bootstrap, echo, head, hostname, r#false, r#true};
use clap::{value_parser, Arg, ArgAction, Command};
use crate::cmd::{bootstrap, echo, head, hostname, r#false, r#true, sleep};
use clap::Command;
pub fn run() {
let matches = Command::new("shitbox")
@ -12,14 +12,16 @@ pub fn run() {
r#false::cli(),
head::cli(),
hostname::cli(),
sleep::cli(),
r#true::cli(),
])
.get_matches();
match matches.subcommand() {
Some(("echo", _matches)) => echo::run(),
Some(("false", _matches)) => r#false::run(),
Some(("head", matches)) => head::run(&matches),
Some(("hostname", matches)) => hostname::run(&matches),
Some(("head", matches)) => head::run(matches),
Some(("hostname", matches)) => hostname::run(matches),
Some(("sleep", matches)) => sleep::run(matches),
Some(("true", _matches)) => r#true::run(),
_ => {}
}

3
src/cmd/bootstrap/mod.rs
View File

@ -1,5 +1,6 @@
use clap::{value_parser, Arg, ArgAction, ArgMatches, Command};
use clap::{value_parser, Arg, ArgMatches, Command};
#[must_use]
pub fn cli() -> Command {
Command::new("bootstrap")
.version(env!("CARGO_PKG_VERSION"))

5
src/cmd/echo/mod.rs
View File

@ -4,6 +4,7 @@ use std::env;
pub const PATH: Path = Path::Bin;
#[must_use]
pub fn cli() -> Command {
Command::new("echo")
.about("Display a line of text")
@ -30,9 +31,9 @@ pub fn run() {
let i = if n { idx + 1 } else { idx };
for (index, arg) in args.iter().enumerate().skip(i) {
if index < len - 1 {
print!("{} ", arg);
print!("{arg} ");
} else {
print!("{}", arg);
print!("{arg}");
}
}
if !n {

3
src/cmd/false/mod.rs
View File

@ -1,9 +1,10 @@
use clap::Command;
use crate::Path;
use clap::Command;
use std::process;
pub const PATH: Path = Path::Bin;
#[must_use]
pub fn cli() -> Command {
Command::new("false")
.about("Does nothing unsuccessfully")

13
src/cmd/head/mod.rs
View File

@ -1,11 +1,12 @@
use clap::{value_parser, Arg, ArgAction, ArgMatches, Command};
use crate::Path;
use clap::{value_parser, Arg, ArgAction, ArgMatches, Command};
use std::fs;
use std::io::{stdin, Read};
use std::process;
pub const PATH: Path = Path::Bin;
#[must_use]
pub fn cli() -> Command {
Command::new("head")
.version(env!("CARGO_PKG_VERSION"))
@ -51,7 +52,7 @@ fn head(file: &str, count: usize, header: bool, bytes: bool) {
match stdin().read_to_string(&mut contents) {
Ok(_) => true,
Err(e) => {
eprintln!("head: {}", e);
eprintln!("head: {e}");
process::exit(1);
}
};
@ -60,18 +61,18 @@ fn head(file: &str, count: usize, header: bool, bytes: bool) {
contents = match buf {
Ok(c) => c,
Err(e) => {
eprintln!("head: {}", e);
eprintln!("head: {e}");
process::exit(1);
}
};
}
if header {
println!("==> {} <==", file);
println!("==> {file} <==");
}
if bytes {
for (index, char) in contents.chars().into_iter().enumerate() {
if index < count {
print!("{}", char);
print!("{char}");
} else {
println!();
return;
@ -81,7 +82,7 @@ fn head(file: &str, count: usize, header: bool, bytes: bool) {
} else {
for (index, line) in contents.lines().into_iter().enumerate() {
if index < count {
println!("{}", line);
println!("{line}");
} else {
return;
}

16
src/cmd/hostname/mod.rs
View File

@ -1,9 +1,10 @@
use clap::{Arg, Command, ArgMatches, ArgAction};
use crate::Path;
use std::{io, process};
use clap::{Arg, ArgAction, ArgMatches, Command};
use std::process;
pub const PATH: Path = Path::Bin;
#[must_use]
pub fn cli() -> Command {
Command::new("hostname")
.version(env!("CARGO_PKG_VERSION"))
@ -34,12 +35,11 @@ pub fn run(matches: &ArgMatches) {
if matches.get_flag("STRIP") {
println!(
"{}",
match hostname.to_string_lossy().split('.').next() {
Some(c) => c,
None => {
eprintln!("hostname: missing operand");
process::exit(1);
}
if let Some(s) = hostname.to_string_lossy().split('.').next() {
s
} else {
eprintln!("hostname: missing operand");
process::exit(1);
}
);
} else {

2
src/cmd/mod.rs
View File

@ -16,6 +16,6 @@ mod mv;
mod pwd;
mod rm;
mod rmdir;
mod sleep;
pub mod sleep;
mod sync;
pub mod r#true;

35
src/cmd/sleep/mod.rs
View File

@ -1 +1,36 @@
use crate::Path;
use clap::{value_parser, Arg, ArgAction, ArgMatches, Command};
use std::{env, thread, time::Duration};
pub const PATH: Path = Path::Bin;
#[must_use]
pub fn cli() -> Command {
Command::new("sleep")
.about("Suspend execution for an interval of time")
.long_about(
"The sleep utility suspends execution for a minimum of the specified number of seconds.\n\
This number must be positive and may contain a decimal fraction.\n\
sleep is commonly used to schedule the execution of other commands"
)
.version(env!("CARGO_PKG_VERSION"))
.author(env!("CARGO_PKG_AUTHORS"))
.arg(
Arg::new("seconds")
.help("The number of seconds to sleep")
.num_args(1)
.value_parser(value_parser!(f64))
.required(true)
.action(ArgAction::Set)
)
}
#[allow(clippy::cast_sign_loss, clippy::cast_possible_truncation)]
pub fn run(matches: &ArgMatches) {
if let Some(raw) = matches.get_one::<f64>("seconds") {
let seconds = *raw as u64;
let nanos = ((raw % 1.0) * 10e-9) as u32;
let s = Duration::new(seconds, nanos);
thread::sleep(s);
}
}

3
src/cmd/true/mod.rs
View File

@ -1,9 +1,10 @@
use clap::Command;
use crate::Path;
use clap::Command;
use std::process;
pub const PATH: Path = Path::Bin;
#[must_use]
pub fn cli() -> Command {
Command::new("true")
.about("Does nothing successfully")

1
src/lib.rs
View File

@ -32,6 +32,7 @@ pub fn run() {
"hostname" => cmd::hostname::run(&cmd::hostname::cli().get_matches()),
"true" => cmd::r#true::run(),
"shitbox" => cli::run(),
"sleep" => cmd::sleep::run(&cmd::sleep::cli().get_matches()),
_ => unimplemented!(),
}
}