grep-rust 0.1.0

Like grep, but use rust.
Documentation 
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use grep_rust::run;
use grep_rust::Config;
use std::{env, process};

fn main() {
    let config = Config::new(env::args()).unwrap_or_else(|err| {
        eprintln!("error to parse config: {}", err);
        process::exit(1);
    });
    if let Err(e) = run(config) {
        eprintln!("error to run: {}", e);
        process::exit(1);
    }
}