【Ruby】 Convert file name (a b.svg ==> a-b.svg)

convert-file-name.rb

puts "start convert file names to hyphen style...."

def traverse_dir(fileType)
  folder_path = File.absolute_path("./") + "/"
  scheme = folder_path + "*.#{fileType}"
  puts "find #{Dir.glob(scheme).length} #{fileType} files, start convert...."
  puts '-' * 50
  Dir.glob(scheme).each do |f|
    filename = File.basename(f, File.extname(f))
    File.rename(f, folder_path + filename.downcase.tr(' ', '-') + File.extname(f))
  end
end

traverse_dir('svg')
puts '-' * 50
puts "convert finished"