rtws.rb

require 'find'

def remove_trailing_whitespaces(directory)
  Find.find(directory) do |path|
    next unless File.file?(path) # Skip directories
    next if path =~ /\.\/\.git/

    begin
      text = File.open(path, "r:UTF-8") do |file|
        file.read.encode("UTF-8", invalid: :replace, undef: :replace, replace: "")
      end

      modified_text = text.gsub(/[ \t]+$/, '')

      puts path
      File.open(path, "w:UTF-8") { |file| file.write(modified_text) } unless text == modified_text

    rescue => e
      puts "Error processing file #{path}: #{e.message}"
    end
  end
end

# Call the function with the path to your repository
remove_trailing_whitespaces('.')