def get_key_prefix(username, email, uuid, superuser, profile_data = nil)
      if profile_data
        profile = " --profile #{Shellwords.escape(profile_data).gsub('"', '\\"')}"
      else
        profile = ""
      end

      superuser = superuser ? " --superuser" : ""

      %Q{command="rs_thunk --username #{username} --uuid #{uuid}#{superuser} --email #{email}#{profile}" }
    end
def get_key_prefix(username, email, uuid, superuser, profile_data = nil)
      if profile_data
        profile = " --profile #{Shellwords.escape(profile_data).gsub('"', '\\"')}"
      else
        profile = ""
      end

      superuser = superuser ? " --superuser" : ""

      %Q{command="rs_thunk --username #{username} --uuid #{uuid}#{superuser} --email #{email}#{profile}" }
    end
Returns prefix command for public key record

 == Parameters:
 @param [String] account's username
 @param [String] account's email address
 @param [String] account's uuid
 @param [Boolean] designates whether the account has superuser privileges
 @param [String] optional profile_data to be included

 == Returns:
 @return [String] command string