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chunking.ps1

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+# Configuration
+$sourceDir = ".\multiview_rgb_vids"
+$chunkSizeInGB = 40
+$chunkSizeBytes = [int64]$chunkSizeInGB * 1024 * 1024 * 1024
+$bufferSize = 1MB
+
+# Get all large tar.gz files
+$files = Get-ChildItem -Path $sourceDir -Filter "*.tar.gz"
+
+foreach ($file in $files) {
+    Write-Host "Processing: $($file.Name) ($([Math]::Round($file.Length / 1GB, 2)) GB)" -ForegroundColor Cyan
+    
+    $fileStream = [System.IO.File]::OpenRead($file.FullName)
+    $chunkIndex = 0
+    
+    try {
+        while ($fileStream.Position -lt $fileStream.Length) {
+            $chunkFileName = "$($file.FullName).part_$($chunkIndex.ToString('D2'))"
+            Write-Host "  Creating chunk: $(Split-Path $chunkFileName -Leaf)" -ForegroundColor Gray
+            
+            $chunkStream = [System.IO.File]::Create($chunkFileName)
+            $bytesRemaining = $chunkSizeBytes
+            $buffer = New-Object Byte[] $bufferSize
+
+            while ($bytesRemaining -gt 0 -and $fileStream.Position -lt $fileStream.Length) {
+                $bytesToRead = [Math]::Min($bufferSize, $bytesRemaining)
+                $bytesRead = $fileStream.Read($buffer, 0, $bytesToRead)
+                $chunkStream.Write($buffer, 0, $bytesRead)
+                $bytesRemaining -= $bytesRead
+            }
+            
+            $chunkStream.Close()
+            $chunkIndex++
+        }
+    }
+    finally {
+        $fileStream.Close()
+    }
+    
+    Write-Host "Finished splitting $($file.Name)`n" -ForegroundColor Green
+}