Dear all Developers, i want to create an app to merge multiple excel file into one file. i have try but i can not do it, any one could help me. thanks -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/9a9d8950-2fda-416f-8acb-d6198e220e21%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.