.*)\n\n(?P<body>.*)").unwrap(); static ref slug_re: Regex = Regex::new(r"(?P<slug>\S+).md").unwrap(); } let title = &re.captures(&contents).expect("Couldn't parse title")["title"]; let body = &re.captures(&contents).expect("Couldn't parse body")["body"]; let filename = &path.file_name().unwrap().to_str().unwrap(); let slug = &slug_re.captures(filename).expect("Couldn't parse slug")["slug"]; Post { title: String::from(title), body: String::from(body), slug: String::from(slug), } } fn read_posts_dir() -> fs::ReadDir { let cwd = env::current_dir() .expect("Couldn't read current directory") .join("posts"); match fs::read_dir(cwd) { Ok(posts) => posts, Err(err) => panic!(err), } } fn main() { let post_paths = read_posts_dir(); for path in post_paths { match path { Ok(p) => { let post = parse_post(p.path()); }, Err(err) => panic!(err), } } }

#[macro_use] extern crate lazy_static; extern crate regex; use std::env; use std::fs; use std::path; use regex::Regex; #[derive(Debug)] struct Post { title: String, body: String, slug: String, } fn parse_post(path: path::PathBuf) -> Post { let contents = fs::read_to_string(&path).expect("Couldn't read post file"); lazy_static! { static ref re: Regex = Regex::new(r"^# (?P.*)\n\n(?P<body>.*)").unwrap(); static ref slug_re: Regex = Regex::new(r"(?P<slug>\S+).md").unwrap(); } let title = &re.captures(&contents).expect("Couldn't parse title")["title"]; let body = &re.captures(&contents).expect("Couldn't parse body")["body"]; let filename = &path.file_name().unwrap().to_str().unwrap(); let slug = &slug_re.captures(filename).expect("Couldn't parse slug")["slug"]; Post { title: String::from(title), body: String::from(body), slug: String::from(slug), } } fn read_posts_dir() -> fs::ReadDir { let cwd = env::current_dir() .expect("Couldn't read current directory") .join("posts"); match fs::read_dir(cwd) { Ok(posts) => posts, Err(err) => panic!(err), } } fn main() { let post_paths = read_posts_dir(); for path in post_paths { match path { Ok(p) => { let post = parse_post(p.path()); }, Err(err) => panic!(err), } } }