creating more backup scripts!

windows-backup.ps1

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+$7zipPath = "$env:ProgramFiles\7-Zip\7z.exe"
+
+# Check if 7-Zip is installed
+if (!(Test-Path "$env:ProgramFiles\7-Zip\7z.exe")) {
+    Write-Host "7-Zip is not installed. Please install it to use this script."
+    exit 1
+}
+
+$BackupSource = @(
+    "$env:USERPROFILE\Documents",
+    "$env:USERPROFILE\Desktop",
+    "$env:USERPROFILE\Pictures"
+)
+
+$NASDestination = "\\OMV\Backup\$env:COMPUTERNAME"
+$TempDir = "$env:TEMP\BackupTemp"
+$Date = Get-Date -Format "yyyy-MM-dd"
+
+# Create temp directory
+New-Item -ItemType Directory -Path $TempDir -Force
+
+# Create NAS destination if it doesn't exist
+if (!(Test-Path $NASDestination)) {
+    New-Item -ItemType Directory -Path $NASDestination -Force
+}
+
+foreach ($Folder in $BackupSource) {
+    if (Test-Path $Folder) {
+        $FolderName = Split-Path $Folder -Leaf
+        $ZipFile = "$TempDir\$FolderName-$Date.zip"
+        
+        Write-Host "Compressing $Folder..."
+        & "$7zipPath" a -tzip "$ZipFile" "$Folder\*" -mx=9
+
+        Write-Host "Copying $ZipFile to NAS..."
+        Copy-Item $ZipFile $NASDestination -Force
+        
+        Write-Host "Removing $ZipFile..."
+        Remove-Item $ZipFile
+    }
+}
+
+Write-Host "Removing Files older than 15 days from $NASDestination..."
+$OldFiles = Get-ChildItem -Path $NASDestination -File | Where-Object { $_.LastWriteTime -lt (Get-Date).AddDays(-15) }
+foreach ($OldFile in $OldFiles) {
+    Remove-Item $OldFile.FullName -Force
+    Write-Host "Removed: $($OldFile.FullName)"
+}
+
+# Cleanup
+Remove-Item $TempDir -Recurse -Force
+Write-Host "Backup completed!"