// Copyright (c) 2022 Emma Tebibyte
// SPDX-License-Identifier: AGPL-3.0-or-later

use std::fs::read_to_string;
use std::io::{stdout, Write};
use std::env;
use std::process;

fn main() {
  let args: Vec<String> = env::args().skip(1).collect();
  let mut opts = Vec::new();
  
  for arg in &args {
    if arg.starts_with("-") {
      opts.push(arg);
    }
  }

  if opts.is_empty() == false {
    for option in opts {
      match option.as_str() {
        // Write  bytes  from the input file to the standard output without
        // delay as each is read.
        "-u" => {},

        _ => process::exit(1),
      };
    }
  }
  else { 
    for path in args {
      print!("{}", read_to_string(path).unwrap());
    }
  }

  stdout().flush().unwrap();
}