local k1_3
  --~ 文件
  k1_3 = io.open(o2, o3 or "w")
  k1_3:write(o1)
  k1_3:flush()
  k1_3:close()
  end
--~ 文
function d_4.删左右空白(o1)
  o1 = string.gsub(o1, "^%s+", "")
  return string.gsub(o1, "%s+$", "")
  end
return d_4