https://github.com/benwilber/exitcode

Preferred system exit codes as defined by sysexits.h
https://github.com/benwilber/exitcode

exitcode rust sysexits

Last synced: 11 days ago
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Preferred system exit codes as defined by sysexits.h

• Host: GitHub
• URL: https://github.com/benwilber/exitcode
• Owner: benwilber
• License: apache-2.0
• Created: 2017-05-25T19:15:24.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2022-09-06T08:58:59.000Z (about 2 years ago)
• Last Synced: 2024-08-08T22:34:08.191Z (3 months ago)
• Topics: exitcode, rust, sysexits
• Language: Rust
• Size: 17.6 KB
• Stars: 66
• Watchers: 3
• Forks: 3
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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# exitcode

System exit code constants as defined by [sysexits.h](https://www.freebsd.org/cgi/man.cgi?query=sysexits&apropos=0&sektion=0&manpath=FreeBSD+4.3-RELEASE&format=html)

Documentation is available [here](https://docs.rs/exitcode)

# Installing from [crates.io](https://crates.io/crates/exitcode)

```

[dependencies]

exitcode = "1.1.2"

```

# Example

```rust

extern crate exitcode;

use std::process;

pub fn parse_int_or_return_error_exitcode(s: String) -> Result {

    match s.parse::() {

        Ok(i) => Ok(i),

        Err(_) => Err(exitcode::USAGE)

    }

}

pub fn main() {

    match parse_int_or_return_error_exitcode("123".to_string()) {

        Ok(i) => println!("Parsed: {}", i),

        Err(code) => {

            println!("Parse error.  Exiting with code: {}", code);

            process::exit(code);

        }

    }

    match parse_int_or_return_error_exitcode("foo".to_string()) {

        Ok(i) => println!("Parsed: {}", i),

        Err(code) => {

            println!("Parse error.  Exiting with code: {}", code);

            process::exit(code);

        }

    }

    println!("Exiting with code: {}", exitcode::OK);

    process::exit(exitcode::OK);

}

```