[DJ Mogarych]

Powershell:

Код:

$folder = "C:\temp\test"
$dbs = dir "$folder\*.db"

foreach ($db in $dbs) {
& 'с:\soft\7z\7z.exe' a -mmt31 -t7z -m0=lzma2 -mx=9 -mfb=273 -md=1536m -ms=on "$folder\$($db.basename).7z" "$($db.fullname)" > $null
    if ((Get-Item "$folder\$($db.basename).7z").Length -gt $db.Length) {
    del "$folder\$($db.basename).7z" -Force -Confirm:$false
    }
}