19wu/19wu

#!/usr/bin/env ruby

def magic_encoding_find
  non_ascii_regexp = /[^\0-\177]/
  magic_encoding_regexp = /\s*#.*(?:-\*-\s*)?(?:en)?coding\s*:\s*([-a-z0-9_]*)\s*(;|-\*-|$)/

  files = []
  Dir.chdir(File.expand_path('../..', __FILE__)) do
    Dir['app/**/*.rb', 'lib/**/*.rb', 'spec/**/*.rb'].each do |f|
      content = File.read(f)
      if content =~ non_ascii_regexp && 
          content.lines.take(2).none? { |l| l =~ magic_encoding_regexp }
        files << f
      end
    end
  end

  files
end

if $0 == __FILE__
  puts magic_encoding_find.join("\n")
end