Private/ConvertFrom-Gzip.ps1
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function ConvertFrom-Gzip { Param ( [Parameter(Mandatory = $true, ValueFromPipeline = $true)] [ValidateScript( { (Get-Item $_).Name.EndsWith(".gz") })] [System.IO.FileInfo] $InputObject, [Parameter(Mandatory = $false)] [switch] $RemoveInputFile ) Process { # Create a new file and open a filestream for it $NewFilename = $InputObject.FullName.Remove($InputObject.FullName.Length - $InputObject.Extension.Length) $DecompressedFileStream = [System.IO.File]::Create($NewFilename) # Open the compressed file and copy the file to the decompressed stream $CompressedFileStream = $InputObject.OpenRead() $GZipStream = [System.IO.Compression.GZipStream]::new($CompressedFileStream, [System.IO.Compression.CompressionMode]::Decompress) $GZipStream.CopyTo($DecompressedFileStream) # Cleanup $DecompressedFileStream.Dispose() $GZipStream.Dispose() $CompressedFileStream.Dispose() $DecompressedFileStream, $GZipStream, $CompressedFileStream = $null # Remove the initial file if requested. if ($PSBoundParameters.ContainsKey('RemoveInputFile')) { $InputObject.Delete() } } } |