A Script that convert all GB18030 encoding text files under current directory

convert.rb

#!/usr/bin/env ruby
#-*- coding:utf-8 -*-

Dir.foreach('.') do |n|
    if n != 'convert.rb' and n != '.' and n != '..'
        `iconv -f gb18030 -t utf-8 < #{n} > u.txt && mv u.txt #{n}`
    end
end