gistfile1.rb

- filtered_filenames(@items).each do |name|
  %p do some stuff

gistfile2.rb

def filtered_filenames(paths)
  if paths.nil?
    paths = []
  end
  
  new_paths = []

  for path in paths
    filename = File.basename(path)

    if !(filename == 'index.haml' || filename[0..5] == 'hide-')
      name = filename[0..-6]
      new_paths.push(name)
    end
  end

  new_paths
end