tep 0.2.4

A blazingly fast command-line tool for converting Chinese punctuations to English punctuations.
Documentation 
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/// Overview: Read, process and write.
mod cli;
mod common;

use std::fs::{File, OpenOptions};
use std::io::{BufReader, Read, Write};

use anyhow::Result;
use structopt::StructOpt;

use cli::Opt;
use common::cook::cook;

fn main() -> Result<()> {
    let Opt { input, output } = Opt::from_args();
    let input_file = File::open(&input)?;

    let mut input_content = String::new();
    BufReader::new(&input_file).read_to_string(&mut input_content)?;

    let output_content = cook(&input_content);

    let mut output_file = match output {
        Some(file) => OpenOptions::new()
            .write(true)
            .create(true)
            .truncate(true)
            .open(file)?,
        None => OpenOptions::new().write(true).truncate(true).open(&input)?,
    };
    write!(output_file, "{}", output_content)?;

    Ok(())
}