backup7dtd.ps1

Param (
    [Parameter(Mandatory)][String] $World="Navezgane",
    [Parameter(Mandatory)][String] $SaveName,
    [Int] $Seconds=300,
    [Int] $Retention=10
)

Function Start-Countdown {
    Param(
        [Int32]$Seconds = 10,
        [string]$Message = "Pausing for 10 seconds..."
    )
    ForEach ($Count in (1..$Seconds)) {
        Write-Progress -Id 1 -Activity $Message -Status "Waiting for $Seconds seconds, $($Seconds - $Count) left" -PercentComplete (($Count / $Seconds) * 100)
        Start-Sleep -Seconds 1
    }
    Write-Progress -Id 1 -Activity $Message -Status "Completed" -PercentComplete 100 -Completed
}

$startDTM=Get-Date
$jobid=Get-Date $startDTM -f "yyyyMMdd-HHmmss"
$root="$($env:USERPROFILE)\AppData\Roaming\7DaysToDie"

$saves="$($root)\Saves\$($World)"
$backups="$($root)\Backups\$($World)"

$source="$($saves)\$($SaveName)"
$targetroot="$($backups)\$($SaveName)"

Write-Host "Backups will save in $targetroot every $Seconds seconds" -f white
Write-Host "Press CRTL+C to Exit" -f yellow
while(1){
    $now=Get-Date
    $id=Get-Date $now -f "yyyyMMdd-HHmmss"
    $label=Get-Date $now -f "MM/dd/yyyy hh:mm:ss"
    $target="$($targetroot)\$($SaveName)_$($id)"
    Write-Host "[$($label)] Backing up to $($World)\$($SaveName)_$($id).zip ... " -NoNewLine
    $null=robocopy $source $target /MIR /NFL /NDL /NJH /NJS /R:5 /W:5
    Compress-Archive -Path $target\* -CompressionLevel Optimal -DestinationPath "$($target).zip"
    if(Test-Path "$($target).zip") {
        Write-Host "SUCCESS" -f green
        Remove-Item $target -Recurse -Force
    } else {
        Write-Host "FAILED" -f red
    }
    # Clean up old archives
    Get-ChildItem -Path $targetroot -Recurse -Include *.zip | sort CreationTime -desc | select -skip $Retention | Foreach-Object { del $_.FullName }
    if ($Seconds -gt 0) {
        Start-Countdown -Seconds $Seconds -Message "Press CRTL+C to Exit"
    } else {
        Exit
    }
}