Public/Invoke-CreateZipFile.ps1
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function Invoke-CreateZipFile { <# .EXTERNALHELP HelperFunctions.psm1-Help.xml #> [CmdletBinding(SupportsShouldProcess = $true)] [Alias('Create-ZipFile')] [OutputType([System.IO.Compression.ZipArchiveEntry])] param ( [Parameter(Mandatory = $true)] [String] $CompressedFileName, [Parameter(Mandatory = $true)] [String] $FileToCompress, [String] $EntryName, [Parameter(Mandatory = $true)] [ValidateSet('Create', 'Read', 'Update')] [String] $ArchiveMode ) begin { $Net45Check = Get-ChildItem "HKLM:SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full\" | Get-ItemPropertyValue -Name Release | ForEach-Object { $_ -ge 378389 } if ($Net45Check) { Add-Type -AssemblyName "System.IO.Compression", "System.IO.Compression.FileSystem" } else { Write-Warning ".NET 4.5 or later is required. Please install a compatible version before attempting further operations." } $compressionLevel = [System.IO.Compression.CompressionLevel]::Optimal } process { switch ($ArchiveMode) { "Create" { $objCompressedFile = [System.IO.Compression.ZipFile]::Open($CompressedFileName, [System.IO.Compression.ZipArchiveMode]::Create) } "Read" { $objCompressedFile = [System.IO.Compression.ZipFile]::Open($CompressedFileName, [System.IO.Compression.ZipArchiveMode]::Read) } "Update" { $objCompressedFile = [System.IO.Compression.ZipFile]::Open($CompressedFileName, [System.IO.Compression.ZipArchiveMode]::Update) } } if ($PSCmdlet.ShouldProcess($CompressedFileName)) { try { [System.IO.Compression.ZipFileExtensions]::CreateEntryFromFile($objCompressedFile, $FileToCompress, $EntryName, $compressionLevel) } catch { $errorMessage = "{0}: {1}" -f $Error[0], $Error[0].InvocationInfo.PositionMessage Write-Error $errorMessage -ErrorAction Continue } } } end { $objCompressedFile.Dispose() } } #End function Invoke-CreateZipFile |