# File lib/rhc/helpers.rb, line 497
    def collect_env_vars(items)
      return nil if items.blank?

      env_vars = []

      Array(items).each do |item|
        if match = item.match(env_var_regex_pattern)
          name, value = match.captures
          env_vars << RHC::Rest::EnvironmentVariable.new({ :name => name, :value => value })
        elsif File.file? item
          File.readlines(item).each do |line|
            if match = line.match(env_var_regex_pattern)
              name, value = match.captures
              env_vars << RHC::Rest::EnvironmentVariable.new({ :name => name, :value => value })
            end
          end
        end
      end
      env_vars
    end