How to mass rename files in ruby

Question

I have been trying to work out a file rename program based on ruby, as a programming exercise for myself (I am aware of rename under linux, but I want to learn Ruby, and rename

Answer 1

I used the accepted answer to fix a bunch of copied files' names.

Dir.glob('./*').sort.each do |entry|
  if File.basename(entry).include?(' copy')
    newEntry = entry.gsub(' copy', '')
    File.rename( entry, newEntry )
  end
end