题目内容：

下面for /f %%i in (db.udl) do （echo.%%i） 循环中为什么有分号那句不能显示
--------------------------------db.udl---------------------------
[oledb]
; Everything after this line is an OLE DB initstring
Provider=SQLOLEDB.1;Password=aaaa;Persist Security Info=True;User ID=chooa;Initial Catalog=aaaa;Data Source=db_server
--------------------------------end-----------------------------------
@echo off
SETLOCAL ENABLEDELAYEDEXPANSION
for /f "tokens=*" %%i in (db.udl) do (
echo.%%i
)
pause
-------------------------------显示结果-----------------------------
[oledb]
Provider=SQLOLEDB.1;Password=aaaa;Persist Security Info=True;User ID=chooa;Initi
al Catalog=aaaa;Data Source=db_server
----------------------------------------------------------------------
; Everything after this line is an OLE DB initstring 这句如何才能显示?