PowerShell and GZip Compression

Here are two functions for compressing and decompressing files using GZip.

These have been tested on Windows 10.

Function Gunzip-File([ValidateScript({Test-Path $_})][string]$File){

    $srcFile = Get-Item -Path $File
    $newFileName = Join-Path -Path $srcFile.DirectoryName -ChildPath $srcFile.BaseName

    try
    {
        $srcFileStream = New-Object System.IO.FileStream($srcFile.FullName,([IO.FileMode]::Open),([IO.FileAccess]::Read),([IO.FileShare]::Read))
        $dstFileStream = New-Object System.IO.FileStream($newFileName,([IO.FileMode]::Create),([IO.FileAccess]::Write),([IO.FileShare]::None))
        $gzip = New-Object System.IO.Compression.GZipStream($srcFileStream,[System.IO.Compression.CompressionMode]::Decompress)
        $gzip.CopyTo($dstFileStream)
    } 
    catch
    {
        Write-Host "$_.Exception.Message" -ForegroundColor Red
    }
    finally
    {
        $gzip.Dispose()
        $srcFileStream.Dispose()
        $dstFileStream.Dispose()
    }
}

Function Gzip-File([ValidateScript({Test-Path $_})][string]$File){

    $srcFile = Get-Item -Path $File
    $newFileName = "$($srcFile.FullName).gz"

    try
    {
        $srcFileStream = New-Object System.IO.FileStream($srcFile.FullName,([IO.FileMode]::Open),([IO.FileAccess]::Read),([IO.FileShare]::Read))
        $dstFileStream = New-Object System.IO.FileStream($newFileName,([IO.FileMode]::Create),([IO.FileAccess]::Write),([IO.FileShare]::None))
        $gzip = New-Object System.IO.Compression.GZipStream($dstFileStream,[System.IO.Compression.CompressionMode]::Compress)
        $srcFileStream.CopyTo($gzip)
    } 
    catch
    {
        Write-Host "$_.Exception.Message" -ForegroundColor Red
    }
    finally
    {
        $gzip.Dispose()
        $srcFileStream.Dispose()
        $dstFileStream.Dispose()
    }
}