7z压缩文档的powershell示例

#define Function DeleteLog
function DeleteLog{
param($filePath,$TimeOutDays)
$allFiles=get-childitem -path $filePath
foreach ($files in $allFiles){
$daypan=((get-date)-$files.lastwritetime).days
if ($daypan -gt $TimeOutDays){
remove-item $files.fullname -Recurse -force
}
}
}

#define some vars
cd "C:\Program Files\7-Zip"
$stringDate=get-date -UFormat "%Y%m%d"
$fileName="${stringDate}log"

#Compress Log and (Delete Log before one month)
$SoucePath="C:\windows-services\log"
cmd /c "7z.exe a -t7z D:\logs\$fileName $SoucePath\*"
$filePath=$SoucePath
$TimeOutDays=30
DeleteLog -filePath $filePath -TimeOutDays $TimeOutDays

#Delete Backup log before two months
$Floders=Get-ChildItem d:\logs
foreach ($Floder in $Floders){
$Floder.lastwritetime = Get-Date
}
$filePath="D:\logs"
$TimeOutDays=60
DeleteLog -filePath $filePath -TimeOutDays $TimeOutDays