@echo off
mode con lines=3000
set info=互助互利,支付宝扫码头像,感谢打赏
rem 有问题,可加QQ956535081及时沟通
title %info%
set "folder=%~dp0"
cd /d "%folder%"
powershell -NoProfile -ExecutionPolicy bypass ^
    $dic=New-Object 'System.Collections.Generic.Dictionary[string,Object]';^
    $files=@(dir -liter '%folder%' -recurse^|?{($_.Name -ne '%~nx0') -and ($_ -is [System.IO.FileInfo])});^
    for($i=0;$i -lt $files.length;$i++){^
        $fname=$files[$i].Name.toLower();^
        if(-not $dic.ContainsKey($fname)){^
            [System.Collections.ArrayList]$arr=@();^
            $dic.add($fname, $arr);^
        };^
        [void]$dic[$fname].add($files[$i]);^
    };^
    foreach($i in $dic.keys){^
        $list=@($dic[$i]^|sort {$_.LastWriteTime} -des);^
        write-host $list[0].FullName -ForegroundColor green;^
        for($i=1;$i -lt $list.length;$i++){^
            write-host $list[$i].FullName -ForegroundColor red;^
            del -liter $list[$i].FullName -force;^
        };^
        write-host '';^
    };
:end
echo;%info%
pause
exit
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<#*,:&cls
@echo off
pushd "%~dp0"
Powershell -NoProfile -ExecutionPolicy RemoteSigned -Command ". ([ScriptBlock]::Create((Get-Content -LiteralPath \"%~0\" -ReadCount 0 | Out-String ))) "
popd
pause
exit /b
#>
Get-ChildItem -Recurse -Force | Where-Object { -not $_.PSIsContainer } | Sort-Object -Descending -Property CreationTime |`
  Group-Object -Property PSChildName | ForEach-Object {
  for ($i = 1; $i -lt $_.Count; $i++) {
    Remove-Item -LiteralPath $_.Group[$i].PSPath -Force -Verbose
  }
}
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