if (iter==arg_list.end())
{
error("The `%s' flag requires a value. Use --help for a list of options.", "--layer-info");
if (iter==arg_list.end())
{
error("The `%s' flag requires a value. Use --help for a list of options.", "--layer-info");
if (iter==arg_list.end())
{
error("The `%s' flag requires a value. Use --help for a list of options.", cluster.back().c_str());
if (iter==arg_list.end())
{
error("The `%s' flag requires a value. Use --help for a list of options.", cluster.back().c_str());