aors 0.1.2

Useful rs tools for Advent of Code
Documentation 
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use std::fs;
use std::io::ErrorKind;
use std::{error::Error, process::Command};

pub fn init() -> Result<(), Box<dyn Error>> {
    Command::new("cargo").args(&["init"]).output()?;
    std::fs::remove_file("src/main.rs")?;
    Command::new("cargo").args(&["add", "aors"]).output()?;

    mkdir("inputs");
    mkdir("input_examples");
    mkdir("answers");
    mkdir("src/bin/helpers");

    touch(
        "src/bin/helpers/mod.rs",
        "",
        "failed to create helpers module",
    );

    Ok(())
}

fn mkdir(path: &str) {
    if let Err(a) = std::fs::create_dir_all(path) {
        if a.kind() != ErrorKind::AlreadyExists {
            eprintln!("\x1b[31m{}\x1b[0m", a);
        }
    }
}

fn touch(path: &str, contents: &str, error_msg: &str) {
    if let Err(_) = fs::File::open(path) {
        fs::write(path, contents).expect(error_msg);
    }
}