dayz-bak.ps1

# Example: Define the folder and identify changed files
# 20250124 revision: I added AnalyzeZip.ps1 to display a summary.  If this isn't helpful you can comment or delete line 37
# AnalyzeZip available at https://pastebin.com/wDntDwJT

$folderPath = "c:\dayz-server\"
$destFolder = "E:\DayZ_Backups\"
$timestamp = Get-Date -format "yyMMddHHmm"
$destinationZip = "$destFolder$timestamp-dayz-server-bak.zip"

# Enumerate changed items (example: files modified in the last day)
$sourceItems = Get-ChildItem -Path $folderPath -File -Recurse | Where-Object { $_.LastWriteTime -gt (Get-Date).AddDays(-1) }

# Create an array of relative paths to preserve directory structure
$filePaths = $sourceItems | ForEach-Object {
    # Create relative paths by trimming the root folder path
    $_.FullName.Substring($folderPath.Length).TrimStart('\')
}

# Use LiteralPath to include the files with relative paths in the ZIP
if ($filePaths.Count -gt 0) {
    # Create a temporary folder to recreate the structure
    $tempFolder = Join-Path -Path $env:TEMP -ChildPath "TempZip"
    Remove-Item -Recurse -Force -Path $tempFolder -ErrorAction SilentlyContinue
    New-Item -ItemType Directory -Path $tempFolder | Out-Null

    # Copy the files into the temporary folder while preserving the relative structure
    foreach ($item in $sourceItems) {
        $relativePath = $item.FullName.Substring($folderPath.Length).TrimStart('\')
        $destination = Join-Path -Path $tempFolder -ChildPath $relativePath
        New-Item -ItemType Directory -Path (Split-Path -Path $destination -Parent) -Force | Out-Null
        Copy-Item -Path $item.FullName -Destination $destination
    }

    # Compress the recreated structure
    Compress-Archive -Path $tempFolder\* -DestinationPath $destinationZip

    # Clean up the temporary folder
    Remove-Item -Recurse -Force -Path $tempFolder
    # Display summary of number and total (uncompressed) size of files
    C:\Users\Administrator\Documents\AnalyzeZip.ps1 -zipPath $destinationZip
} else {
    Write-Host "No files found to add to the zip archive."
}