zzgrep 0.1.0

simple grep by zfitness
Documentation 
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use std::env;

pub struct Config {
    pub query: String,
    pub file_path: String,
    pub ignore_case: bool
}

impl Config {
    pub fn build(args: &Vec<String>) -> Result<Config, &'static str> {
        if args.len() < 3 {
            return Err("Not Enough arguments");
        }
        let query = args[1].clone();
        let file_path = args[2].clone();
        let ignore_case = env::var("IGNORE_CASE").is_ok();
        Ok(Config { query, file_path,ignore_case })
    }
}

pub fn search<'a>(content: &'a str, query: &str) -> Vec<&'a str> {
    let mut res = vec![];
    for line in content.lines() {
        if line.contains(query) {
            res.push(line);
        }
    }
    res
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn one_result() {
        let content = "aaab\nb\ncbb";
        let query = "b";
        println!("{:?}", search(content, query));
    }
}