n4:lua sample

1.有些网页没做好特殊字符的转换，而是用类似5的样式显示，用string.gsub可以轻松的替换它们

local f=io.open("yourinput.txt", "r");local txt=f:read("*all");--print(txt);ntxt=string.gsub(txt, "&#(.-);", function(i) return string.char(i); end);print(ntxt);f:close();