example.rb

def make_note(note_store, note_title, note_body, resources=[], parent_notebook=nil)

  #Create a Note instance with title and body 
  # Send Note object to user's account

  our_note = Evernote::EDAM::Type::Note.new
  our_note.title = note_title

  ## Build body of note

  n_body = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
  n_body += "<!DOCTYPE en-note SYSTEM \"http://xml.evernote.com/pub/enml2.dtd\">"
  n_body += "<en-note>#{note_body}"

  unless resources.empty?
    ### Add Resource objects to note body
    n_body += "<br /><br />"
    our_note.resources = resources
    resources.each do |resource|
      hash_func = Digest::MD5.new
      hexhash = hash_func.hexdigest(resource.data.body)
      n_body += "Attachment with hash #{hexhash}: <br /><en-media type=\"#{resource.mime}\" hash=\"#{hexhash}\" /><br />"
    end
  end

  n_body += "</en-note>"
 
  our_note.content = n_body
 
  ## Attempt to create note in Evernote account
  begin
    note = note_store.createNote(our_note)
  rescue Evernote::EDAM::Error::EDAMUserException => edue
    ## Something was wrong with the note data
    ## See EDAMErrorCode enumeration for error code explanation
    ## http://dev.evernote.com/documentation/reference/Errors.html#Enum_EDAMErrorCode
    puts "EDAMUserException: #{edue}"
  rescue Evernote::EDAM::Error::EDAMNotFoundException => ednfe
    ## Parent Notebook GUID doesn't correspond to an actual notebook
    puts "EDAMNotFoundException: Invalid parent notebook GUID"
  end
 
  ## Return created note object
  note

end

Are the resources that are handed in file io objects?