Bat-实战基础篇（十）

• 时间：2017年10月11日
• 作者：Kali
• 邮箱：cyysu.github.io@gmail.com/2869905223@qq.com/微信lwyx1413
• 版本：4.0
• 描述：批处理实战基础篇十，本次主要给出几个栗子。

Bat系列教程

MPV播放器卸载

@echo off
setlocal enableextensions enabledelayedexpansion
path %SystemRoot%\System32;%SystemRoot%;%SystemRoot%\System32\Wbem
:: Unattended install flag. When set, the script will not require user input.
set unattended=no
if "%1"=="/u" set unattended=yes
:: Make sure the script is running as admin
call :ensure_admin
:: Delete "App Paths" entry
reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\mpv.exe" /f >nul
:: Delete HKCR subkeys
set classes_root_key=HKLM\SOFTWARE\Classes
reg delete "%classes_root_key%\Applications\mpv.exe" /f >nul
reg delete "%classes_root_key%\SystemFileAssociations\video\OpenWithList\mpv.exe" /f >nul
reg delete "%classes_root_key%\SystemFileAssociations\audio\OpenWithList\mpv.exe" /f >nul
:: Delete AutoPlay handlers
set autoplay_key=HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\AutoplayHandlers
reg delete "%autoplay_key%\Handlers\MpvPlayDVDMovieOnArrival" /f >nul
reg delete "%autoplay_key%\EventHandlers\PlayDVDMovieOnArrival" /v "MpvPlayDVDMovieOnArrival" /f >nul
reg delete "%autoplay_key%\Handlers\MpvPlayBluRayOnArrival" /f >nul
reg delete "%autoplay_key%\EventHandlers\PlayBluRayOnArrival" /v "MpvPlayBluRayOnArrival" /f >nul
:: Delete "Default Programs" entry
reg delete "HKLM\SOFTWARE\RegisteredApplications" /v "mpv" /f >nul
reg delete "HKLM\SOFTWARE\Clients\Media\mpv\Capabilities" /f >nul
:: Delete all OpenWithProgIds referencing ProgIds that start with io.mpv.
for /f "usebackq eol= delims=" %%k in (`reg query "%classes_root_key%" /f "io.mpv.*" /s /v /c`) do (
    set "key=%%k"
    echo !key!| findstr /r /i "^HKEY_LOCAL_MACHINE\\SOFTWARE\\Classes\\\.[^\\][^\\]*\\OpenWithProgIds$" >nul
	if not errorlevel 1 (
		for /f "usebackq eol= tokens=1" %%v in (`reg query "!key!" /f "io.mpv.*" /v /c`) do (
			set "value=%%v"
			echo !value!| findstr /r /i "^io\.mpv\.[^\\][^\\]*$" >nul
            if not errorlevel 1 (
                echo Deleting !key!\!value!
                reg delete "!key!" /v "!value!" /f >nul
            )
        )
    )
)
:: Delete all ProgIds starting with io.mpv.
for /f "usebackq eol= delims=" %%k in (`reg query "%classes_root_key%" /f "io.mpv.*" /k /c`) do (
    set "key=%%k"
    :: 这里用到管道操作  findstr /r 表示将搜索字符串作为一般表达式 -i 表示搜索不区分大小写
    echo !key! | findstr /r /i "^HKEY_LOCAL_MACHINE\\SOFTWARE\\Classes\\io\.mpv\.[^\\][^\\]*$" >nul
    if not errorlevel 1 (
        echo Deleting !key!
        reg delete "!key!" /f >nul
    )
)
echo Uninstalled successfully
if [%unattended%] == [yes] exit 0
pause
exit 0
:die
    if not [%1] == [] echo %~1
    if [%unattended%] == [yes] exit 1
    pause
    exit 1
:ensure_admin
    :: 'openfiles' is just a commmand that is present on all supported Windows
    :: versions, requires admin privileges and has no side effects, see:
    :: https://stackoverflow.com/questions/4051883/batch-script-how-to-check-for-admin-rights
    openfiles >nul 2>&1
    if errorlevel 1 (
        echo This batch script requires administrator privileges. Right-click on
        echo mpv-uninstall.bat and select "Run as administrator".
        call :die
    )
    goto :EOF

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