如何在Ruby中重命名文件?

Here's my .rb file:

这是我的。rb文件:

puts "Renaming files..."

folder_path = "/home/papuccino1/Desktop/Test"
Dir.glob(folder_path + "/*").sort.each do |f|
    filename = File.basename(f, File.extname(f))
    File.rename(f, filename.capitalize + File.extname(f))
end

puts "Renaming complete."
puts "Renami