WHY

不知道是不是这个意思，试试吧

@if(0)==(0) echo off
set "key=HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\SideBySide\Winners"
reg query "%key%" /s /ve | cscript //nologo //e:jscript "%~f0" > Result.Log
pause & goto :EOF
@end

var str = WSH.StdIn.ReadAll();
var reg = /HKEY_.+\\([^\\]+_[0-9a-f]{16}_)([^\\]+)\\([0-9.]+)\r\n.+REG_SZ\s+([0-9.]+)/g;
var map = [], arr = [];

while(arr = reg.exec(str)){
    var s1 = arr[1] + arr[2];
    if(!map[s1]) map[s1] = [[],[]];
    map[s1][0].push(arr[1] + arr[3]);
    map[s1][1].push(arr[1] + arr[4]);
}

for(var key in map){
    var len = map[key][0].length;
    WSH.Echo( len > 1 ? map[key][1].join('\r\n') : map[key][0] )
}
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