hackshell 0.7.1

Lightweight, customizable shell framework
Documentation 
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use crate::{Command, CommandResult, Hackshell};

pub struct Get {}

impl Command for Get {
    fn commands(&self) -> &'static [&'static str] {
        &["get"]
    }

    fn help(&self) -> &'static str {
        "Prints an environment variable"
    }

    fn category(&self) -> &'static str {
        "Shell"
    }

    fn run(&self, s: &Hackshell, cmd: &[&str]) -> CommandResult {
        if cmd.len() != 2 {
            return Err("Syntax: get <name>".into());
        }

        println!("{}", s.get_var(&cmd[1]).ok_or("Variable not found")?);

        Ok(None)
    }
}