## -*- Ruby -*-
## <br.*> durch <br> ersetzen

def filesed!(pattern, replaceString, filename)
  regexPattern = Regexp.compile(pattern)
  tmpFilename = "#{filename}.#{Time.now.usec}"
  tmpFile = File.new(tmpFilename, "w")
  srcFile = File.open(filename)
  srcFile.each_line do
    |line|
    tmpFile.print line.gsub(regexPattern) {|match|
      replaceString
    }
  end
  tmpFile.close
  srcFile .close
  File.rename(tmpFilename, filename)
end

ARGV.each { |filename|
        filesed!("<br.*>", "<br>", filename)
}