Create FileSplitter.ps1

FileSplitter.ps1

@@ -0,0 +1,87 @@
+function Split-File {
+
+<#-- Another stackoverflow production 
+https://stackoverflow.com/questions/4533570/in-powershell-how-do-i-split-a-large-binary-file
+--#>
+
+  [CmdletBinding()]
+  Param (
+    [Parameter(Mandatory = $true, ValueFromPipeLine = $true, ValueFromPipelineByPropertyName = $true)]
+    [String]
+    $InputFile,
+    [Parameter(Mandatory = $true)]
+    [String]
+    $OutDirectory,
+    [Parameter(Mandatory = $false)]
+    [String]
+    $OutputFilePrefix = "chunk",
+    [Parameter(Mandatory = $false)]
+    [Int32]
+    $ChunkSize = 1024
+  )
+
+  Begin {
+    Write-Output "Beginning to split your file.."
+  }
+
+  Process {
+    $FileStream = [System.IO.File]::OpenRead($InputFile)
+    $ByteChunks = New-Object byte[] $ChunkSize
+    $ChunkNumber = 1
+    While($BytesRead = $FileStream.Read($ByteChunks,0,$ChunkSize)) {
+      $OutputFile = "$OutputFilePrefix$ChunkNumber"     
+      $OutputStream = [System.IO.File]::OpenWrite("$OutDirectory`\$OutputFile")
+      $OutputStream.Write($ByteChunks,0,$BytesRead)
+      $OutputStream.Close()
+      Write-Verbose "Wrote File $OutputFile"
+      $ChunkNumber += 1
+    }
+  }
+
+  End {
+    Write-Output "Finished splitting your file!"
+  }
+}
+
+
+
+
+function Reassemble-File {
+    [CmdletBinding()]
+    Param (
+        [Parameter(Mandatory = $true)]
+        [String]
+        $InputFileDirectory,
+        [Parameter(Mandatory = $true)]
+        [String]
+        $InputfilePrefix = "chunk",
+        [Parameter(Mandatory = $true)]
+        [String]
+        $OutputDirectory,
+        [Parameter(Mandatory = $true)]
+        [String]
+        $OutputFile
+    )
+
+    Begin {
+        Write-Output "Beginning to reassemble your files.."
+    }
+
+    Process {
+        $OutputStream = [System.Io.File]::OpenWrite("$OutputDirectory`\$OutputFile")
+        $ChunkNumber = 1
+        $InputFilename = "$InputFileDirectory`\$InputfilePrefix$ChunkNumber"
+        $Offset = 0
+        while(Test-Path $InputFilename) {
+            $FileBytes = [System.IO.File]::ReadAllBytes($InputFilename)
+            $OutputStream.Write($FileBytes, 0, $FileBytes.Count)
+            $ChunkNumber += 1
+            $InputFilename = "$InputFileDirectory`\$InputfilePrefix$ChunkNumber"
+        }
+        $OutputStream.close()   
+    }
+    End {
+        
+        Write-Output "Finished assembly!"
+    }   
+}