批处理读取ini文件

ini文件读取
使用方法:
inifile iniFilePath [section] [item]
例子:
inifile c:\boot.ini
读取c:\boot.ini的所有[section]
inifile c:\boot.ini "[boot loader]"
读取c:\boot.ini [boot loader]段的内容
inifile c:\boot.ini "[boot loader]" timeout
显示c:\boot.ini [boot loader]段 timeout的值

@echo off

set item=
set filepath=
set section=
setlocal EnableDelayedExpansion
if not "%~1"=="" (
set filepath=%1
) else goto :file_err
if not exist %filepath% goto :file_err
if not "%~2"=="" (
set section=%2
if "!section:~0,1!"==""^" set section=!section:~1!
if "!section:~-1!"==""^" set section=!section:~0,-1!
) else goto :section
if not "%~3"=="" (
set item=%3
if "!item:~0,1!"==""^" set item=!item:~1!
if "!item:~-1!"==""^" set item=!item:~0,-1!
)
setlocal disableDelayedExpansion
set 字段开始=
for /f "usebackq delims=[]" %%i in (`find /i "%section%" /n %filepath%`) do set 字段开始=%%i
for /f "usebackq tokens=1* delims== skip=%字段开始%" %%i in (`type %filepath%`) do (
set a=%%i
setlocal EnableDelayedExpansion
if "!a:~0,1!"=="[" goto :eof
if not "!a:~0,1!"==";" (
setlocal disableDelayedExpansion
for /f "delims=;" %%x in ("%%i=%%j") do (
if not DEFINED item (echo %%x) else (if /i "%%i"=="%item%" echo %%x)
)
)
)
goto :eof

:section
setlocal disableDelayedExpansion
for /f "usebackq delims== skip=2" %%i in (`find /i "[" %filepath%`) do echo %%i
goto :eof

:file_err
setlocal disableDelayedExpansion
echo.
echo %1文件未找到或未输入!
echo.
goto :eof