gistfile1.txt

using System.Web.Mvc;
using Orchard;
using Orchard.Mvc.Filters;
using Orchard.UI.Admin;

namespace Example.Filters {
    public class ScriptFilter : FilterProvider, IResultFilter {
        private readonly IOrchardServices _orchardServices;

        public ScriptFilter(IOrchardServices orchardServices) {
            _orchardServices = orchardServices;
        }

        public void OnResultExecuting(ResultExecutingContext filterContext) {
            if (!(filterContext.Result is ViewResult) || AdminFilter.IsApplied(filterContext.RequestContext)) {
                return;
            }

            var workContext = filterContext.GetWorkContext();
            if (workContext != null && its the right controller/action?) {;
                workContext.Layout.Tail.Add(_orchardServices.New.Scripts_YourScript(
                    Culture: somevalue), "0");
            }
        }

        public void OnResultExecuted(ResultExecutedContext filterContext) {
        }
    }
}