_argc_load_dotenv() {
    local env_file="$1" env_vars=""
    if [[ -f "$env_file" ]]; then
        while IFS='=' read -r key value; do
            if [[ "$key" == $'#'* ]] || [[ -z "$key" ]]; then
                continue
            fi
            if [[ -z "${!key+x}" ]]; then
                env_vars="$env_vars $key=$value"
            fi
        done < <(cat "$env_file"; echo "")
        if [[ -n "$env_vars" ]]; then
            eval "export $env_vars"
        fi
    fi
}