im doing following code but it gives error temp=Time.now.to_s file_name = "#{temp}_"+ params[:group_member_information].original_filename
so please reply how to append a timestamp to file name
im doing following code but it gives error temp=Time.now.to_s file_name = "#{temp}_"+ params[:group_member_information].original_filename
so please reply how to append a timestamp to file name