1407.rb

require 'tempfile'
require 'fileutils'

ARGV.each do |name|

  temp_file = Tempfile.new('foo')

  begin
    File.open(name, 'r') do |file|
      file.each_line do |l|
        s = l.scan(/[\(\/](\[.*?\])/).flatten
        s.each {|i| l = l.gsub(i, " #{i} ")}
        temp_file.puts l
      end
    end
    temp_file.close
    FileUtils.mv(temp_file.path, name)
  ensure
    temp_file.close
    temp_file.unlink
  end
end