From: Sunny Bogawat Date: 2008-05-09T13:45:32+09:00 Subject: validation for file 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/.