[注册表类] 批处理如何获取注册表里指定主键下指定项的值/数据为指定内容所在的子健的路径

@echo off
setlocal

call :search DisplayName "Microsoft .NET Framework 4.5.2" st
set st

endlocal
pause
exit /b

:search
for /f "tokens=1,2,*" %%I in ('
  reg query HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products /v %1 /s
') do (
  if /i "%%K" == "%~2" goto :eof
  set "%~3=%%I"
)
goto :eof
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@echo off
rem win7及以上系统运行
mode con cols=180
set "key=HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products"
set "item=DisplayName"
set "value=Microsoft .NET Framework 4.5.2"
for /f "tokens=1*delims=:" %%a in ('powershell -c "dir '%key%'|%%{dir Registry::$($_.Name)|?{$_.Name -match '\\InstallProperties$'}|%%{$a=gp Registry::$($_.Name);if($a.%item% -eq '%value%'){$a.PSPath}}}"^|find "HKEY"') do set /a n+=1&call set "#%%n%%=%%b"
set #
pause
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/*&cls
@echo off
set "key=HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products"
for /f "delims=" %%a in ('reg query "%key%"  /v DisplayName /s^|cscript -nologo -e:jscript "%~f0"') do set/an+=1&call set "#%%n%%=%%a"
set #
pause&exit
*/
var text = WSH.StdIn.ReadAll(), s='',m;
var str = 'Microsoft .NET Framework 4.5.2';
var str = str.replace(/[.+$^\[\](){}]/g,'\\$&')
var reg = new RegExp('(HKEY_.+?)\\n.+?\\S+?\\s+?'+str+'\s*([\\r\\n]|$)', 'g');
while((m = reg.exec(text)) != null)s+=m[1]+'\r\n';
WSH.echo(s);
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