How to resolve the algorithm Environment variables step by step in the Rust programming language

Published on 12 May 2024 09:40 PM
#Rust

How to resolve the algorithm Environment variables step by step in the Rust programming language

Table of Contents

Problem Statement

Show how to get one of your process's environment variables. The available variables vary by system;   some of the common ones available on Unix include:

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Environment variables step by step in the Rust programming language

Source code in the rust programming language

use std::env;

fn main() {
    println!("{:?}", env::var("HOME"));
    println!();
    for (k, v) in env::vars().filter(|(k, _)| k.starts_with('P')) {
        println!("{}: {}", k, v);
    }
}

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