i am developing one application in which user uploaded one csv template to my system(file). but we have to take care that user should uploaded .csv file only if he trying to upload another file we have to restrict it. how to check for extention in ruby on rails ya there is another solution for it? i am doing something like file_name =params[:group_member_information].original_filename begin f = File.new("#{path}/#{file_name}", "wb") str = params[:group_member_information].read f.write str f.close please reply ! -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---