37 lines
1.2 KiB
PowerShell
37 lines
1.2 KiB
PowerShell
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$SourceFilePath = $args[0]
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$ChunkSize = $args[1]
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$Offset = $args[2]
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# Function to create chunk file
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function Create-ChunkFile {
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param (
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[byte[]]$ChunkData,
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[int]$ChunkNumber
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)
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$chunkFileName = Join-Path $subDir ("{0}_{1:D5}.bin" -f [System.IO.Path]::GetFileNameWithoutExtension($SourceFilePath), $ChunkNumber)
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[System.IO.File]::WriteAllBytes($chunkFileName, $ChunkData)
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}
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# Create subdirectory named after the source file (without extension) for chunks
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$subDir = Join-Path ([System.IO.Path]::GetDirectoryName($SourceFilePath)) ([System.IO.Path]::GetFileNameWithoutExtension($SourceFilePath))
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if (!(Test-Path -Path $subDir)) {
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New-Item -ItemType Directory -Path $subDir
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}
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# Read the binary data from the file
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$data = [System.IO.File]::ReadAllBytes($SourceFilePath)
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$dataLength = $data.Length
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$chunkNumber = 0
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# Adjust the start position based on the offset
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$startPosition = [Math]::Min($Offset, $dataLength)
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# Process chunks
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for ($i = $startPosition; $i -lt $dataLength; $i += $ChunkSize) {
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$chunkEnd = [Math]::Min($i + $ChunkSize, $dataLength)
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$chunkData = $data[$i..($chunkEnd - 1)]
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Create-ChunkFile -ChunkData $chunkData -ChunkNumber $chunkNumber
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$chunkNumber++
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}
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