`grep -Rl 'refresh' app`.split.each do |file_name|
   print "Handling #{file_name}\n"
   lines = File.readlines(file_name)
   open(file_name, 'w') do |file|
      lines.each do |line|
         next if /^\s*<input[^>]*=["']?refresh.*>\s*$/i === line
         file << line.gsub(/
            (<
             (?:
               \{\$[^}]++\}
               |<\?=[^?]++\?>
               |[^<>{]++
               |<\g<1>
             )++
             >)
            /x) {
               $&
               .gsub(/\?refresh=[^&]*&/i, "?")
               .gsub(/[?&]refresh=[^&"']*(.*>)$/i, '\1')
            }
            .gsub(/,\s*(['"])refresh\1\s*=>\s*\$[^)\],]*/i, '')
            .gsub(/,\s*(array\(|\[)(['"])refresh\2\s*=>\s*[^)\]]*(\)|\])/i, '')
            .gsub(/&refresh=(?:<\?=\s*)?\$refresh(?:_enc)?(?:\s*\?>)?/, '')
      end
   end
end