AnalyzeZip.ps1

param (
    [string]$zipPath
)

# Used in dayz-bak.ps1 after zip generation but could be used other places as well.

# call like .\AnalyzeZip.ps1 $destZip to execute remotely

Add-Type -Assembly System.IO.Compression.FileSystem

# testing $zipPath="e:\dayz_backups\2501240336-dayz-server-bak.zip"

$zip = [IO.Compression.ZipFile]::OpenRead($zipPath)
$fileCount = $zip.Entries.Count
$totalSize = 0

foreach ($entry in $zip.Entries) {
    $totalSize += $entry.Length
}

$zip.Dispose()

# Convert size to a human-readable format
function Get-HumanReadableSize {
    param ([long]$bytes)
    $suffix = @("B", "KB", "MB", "GB", "TB")
    $i = 0
    while ($bytes -ge 1kb -and $i -lt $suffix.Length - 1) {
        $bytes = $bytes / 1kb
        $i++
    }
    return "{0:N2} {1}" -f $bytes, $suffix[$i]
}

"Number of files: $fileCount"
"Total size: $(Get-HumanReadableSize -bytes $totalSize)"