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+ let matches = App::new("passgen") + .version("1.0") + .author("@Sparkenstein") + .about("Generate Random password on command line") + .arg( + Arg::with_name("include") + .long("include") + .short("i") + .default_value("nlus") + .help("include numbers/upppercase/lowercase/symbols in generated string"), + ) + .arg( + Arg::with_name("length") + .long("length") + .short("l") + .takes_value(true) + .default_value("16") + .help("include lowercase characters in generated string"), + ) + .get_matches(); + let chars_to_include = matches.value_of("include").unwrap(); + let mut pass_string = String::from(""); + if chars_to_include.contains("l") { + pass_string += "abcdefghijklmnopqrstuvwxyz"; + } + + if chars_to_include.contains("n") { + pass_string += "0123456789"; + } + + if chars_to_include.contains("s") { + pass_string += ")(*&^%$#@!~"; + } + + if chars_to_include.contains("u") { + pass_string += "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; + } + + let length = matches + .value_of("length") + .unwrap() + .parse::() + .unwrap(); + let password = (0..length) + .map(|_| { + let idx = rng.gen_range(0, pass_string.len()); + pass_string.chars().nth(idx).unwrap() + }) + .collect::(); + println!("{}", password); +}