Environment File (.env) Reader [Odin]

check_env.odin

// Two options: 
// Option 1: set a struct that stores the values, 
// Option 2: Use the native Environment Variable options:
//           https://pkg.odin-lang.org/core/os/#set_env

// Option 1:
Global_Env :: struct {
    USER: string,
    PWD: string
}
// Option 1:
global: Global_Env = {}

check_env :: proc() -> bool {
    env_file, env_status := os.read_entire_file_from_filename(".env")
    if env_status {
        env := strings.split_lines(transmute(string)env_file)
            defer delete(env)
        for item in env {
            item := strings.split_n(item, "=", 2)
                defer delete(item)

            switch {
                case item[0] == "PWD":
                    fmt.println("[ Config :: Env ] PWD Set")
                    // Option 2: set_env(item[0], item[1])
                    global.pwd = item[1]
                case item[0] == "USER":
                    fmt.println("[ Config :: Env ] USER Set =", item[1])
                    // Option 2: set_env(item[0], item[1])
                    global.user = item[1]
            }
        }
        return true
    } else {
        fmt.printf(
            ansi.CSI + ansi.BOLD + ";" + ansi.FG_RED + ansi.SGR +  \
            "No environment file detected" \
            + ansi.CSI + ansi.RESET + ansi.SGR
        )
        return false 
    }
}


// .env 
// USER=drannex42
// PWD=totally_secret_pwd_that_can_include_=_and_any_other_character

You could, should, probably check against an enum and set the value accordingly, but I didn't here as it doesn't quite fit with my current system.

You could also set them to an environment value, I'm not entirely keen on this model, but it's an option, I've included it above.