gistfile1.rs

fn main() {

    let args = std::os::args();
    let env_var = "ZENDESK_SUBDOMAIN";

    let subdomain = std::os::getenv(env_var);

    if subdomain == None {
      print_env_error(env_var)
    } else {
      get_opts(subdomain);
    }

}

fn get_opts(sub: Option<String>) {
    let args = std::os::args();
    if args.len() == 1 {
      std::io::Command::new("open").arg(format!("{}", sub)).spawn();
    } else if args.len() == 2 {
      println!("Hello 2");
    } else {
      println!("Hello else");
    }
}

fn print_help() {
    println!("\nNAME:");
    println!("\n        zd - zendesk launcher");
    println!("\nOPTIONS:");
    println!("\n        h   Print help");
    println!("\nEXAMPLES:");
    println!("\n        zd 12345");
    println!("\n            Open ticket 12345");
    println!("\n        zd");
    println!("\n            Launch Zendesk");
}

fn print_env_error(env_var: &str) {
    println!("{} is not defined as an environment variable.", env_var);
    println!("Please add 'export {}=subdomain_here' to your .bashrc or .zshrc", env_var);
    std::os::set_exit_status(1);
}