#@&cls&powershell "type %~s0|out-string|iex"&pause&exit
$fsw=New-Object IO.FileSystemWatcher 'c:\' -Property @{IncludeSubdirectories=1;EnableRaisingEvents=1}
'Changed','Created'|%{Register-ObjectEvent $fsw -EventName $_ -Action {
write-host '如果c:\文件夹内文件变更或新增文件发出警告'
write-host $event.SourceEventArgs.FullPath
}}
while(1){Wait-Event -Timeout 1}
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#@&cls&powershell "type %~s0|out-string|iex"&pause&exit
$path='c:\temp'
$global:a=@{}
[Environment]::GetLogicalDrives()|%{
    $fsw=New-Object IO.FileSystemWatcher $_ -Property @{IncludeSubdirectories=1;EnableRaisingEvents=1}
    'Created','Deleted'|%{Register-ObjectEvent $fsw -EventName $_ -Action {$a[$event.EventIdentifier]=$event}}
}
while(1){
    Wait-Event -Timeout 1
    $a.clone().keys|?{$a[$_].SourceEventArgs.FullPath -match [regex]::Escape($path) -and $a[$_].SourceEventArgs.ChangeType -eq 'Created'}|%{
        $d=$a[$_].SourceEventArgs.FullPath
        if($d -match '[^\\]*$'){
            $a.clone().keys|?{
                $a[$_].SourceEventArgs.ChangeType -eq 'Deleted' -and
                $a[$_].SourceEventArgs.FullPath -match [regex]::Escape($matches[0]) -and
                $a[$_].SourceEventArgs.FullPath -notmatch [regex]::Escape($path)
            }|%{
                $s=$a[$_].SourceEventArgs.FullPath
                $a.remove($_)
            }
            if($s -ne $null -and $d -ne $null){
                "$s -> $d"
                $yn=read-host 'Y/N'
                if($yn -eq 'Y'){move $d $s}elseif($yn -eq 'N'){del $d}
            }
            $a.remove($_)
        }
    }
    rv d,s -ErrorAction SilentlyContinue
}
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