rngstr 0.3.0

A cli tool for generating random strings of characters with customization options and a small domain specific language
Documentation 
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use std::fs;

use clap::Parser;
use rngstr::{procs, copy_print, par_rngstr, parse, tokenize, Config};

fn main() {
    let config = Config::parse();
    if let Some(file) = &config.dsl {
        let src = fs::read_to_string(&file[0]).expect("reading source file");
        let commands = procs(&src);
        let tokens = tokenize(src);
        let res = parse(&tokens, &Default::default(), &commands).unwrap();
        if file.len() == 1 {
            copy_print(&config, res);
        } else if file.len() == 2 {
            fs::write(&file[1], res).expect("writing file in destination");
        } else {
            panic!("multiple files not supported");
        }
        return;
    }
    let res = par_rngstr(&config);

    copy_print(&config, res);
}