This script grants all available permissions to Batman role

all_permissions_to_batman.groovy

import com.liferay.portal.kernel.model.*;
import com.liferay.portal.kernel.service.*;
import com.liferay.portal.kernel.security.permission.*;
import com.liferay.portal.kernel.util.*;

long companyId = PortalUtil.getDefaultCompanyId();
Role batman = RoleLocalServiceUtil.getRole(companyId, "Batman");

List<String> models = ResourceActionsUtil.getModelNames();

for(Portlet portlet : PortletLocalServiceUtil.getPortlets()) {
    models.add(portlet.getPortletId());
}

models = new ArrayList(new TreeSet(models));

for(String model : models) {
    List<String> actions = ResourceActionsUtil.getModelResourceActions(model);

    if (actions.size() == 0) {
        actions = ResourceActionsUtil.getPortletResourceActions(model);
    }

    ResourcePermissionLocalServiceUtil.setResourcePermissions(
        companyId, model, ResourceConstants.SCOPE_COMPANY,
        String.valueOf(companyId), batman.getRoleId(),
        actions.toArray(new String[0]));

    out.println(model + ": " + new ArrayList(actions));
}