Expand-MrZipFile.ps1
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function Expand-MrZipFile { <# .SYNOPSIS Expand-MrZipFile is a function which extracts the contents of a zip file. .DESCRIPTION Expand-MrZipFile is a function which extracts the contents of a zip file specified via the -File parameter to the location specified via the -Destination parameter. This function first checks to see if the .NET Framework 4.5 is installed and uses it for the unzipping process, otherwise COM is used. .PARAMETER File The complete path and name of the zip file in this format: C:\zipfiles\myzipfile.zip .PARAMETER Destination The destination folder to extract the contents of the zip file to. If a path is no specified, the current path is used. .PARAMETER ForceCOM Switch parameter to force the use of COM for the extraction even if the .NET Framework 4.5 is present. .EXAMPLE Expand-MrZipFile -File C:\zipfiles\AdventureWorks2012_Database.zip -Destination C:\databases\ .EXAMPLE Expand-MrZipFile -File C:\zipfiles\AdventureWorks2012_Database.zip -Destination C:\databases\ -ForceCOM .EXAMPLE 'C:\zipfiles\AdventureWorks2012_Database.zip' | Expand-MrZipFile .EXAMPLE Get-ChildItem -Path C:\zipfiles | ForEach-Object {$_.fullname | Expand-MrZipFile -Destination C:\databases} .INPUTS String .OUTPUTS None .NOTES Author: Mike F Robbins Website: http://mikefrobbins.com Twitter: @mikefrobbins #> [CmdletBinding()] param ( [Parameter(Mandatory=$true, ValueFromPipeline=$true)] [ValidateScript({ If ((Test-Path -Path $_ -PathType Leaf) -and ($_ -like "*.zip")) { $true } else { Throw "$_ is not a valid zip file. Enter in 'c:\folder\file.zip' format" } })] [string]$File, [ValidateNotNullOrEmpty()] [ValidateScript({ If (Test-Path -Path $_ -PathType Container) { $true } else { Throw "$_ is not a valid destination folder. Enter in 'c:\destination' format" } })] [string]$Destination = (Get-Location).Path, [switch]$ForceCOM ) If (-not $ForceCOM -and ($PSVersionTable.PSVersion.Major -ge 3) -and ((Get-ItemProperty -Path "HKLM:\Software\Microsoft\NET Framework Setup\NDP\v4\Full" -ErrorAction SilentlyContinue).Version -like "4.5*" -or (Get-ItemProperty -Path "HKLM:\Software\Microsoft\NET Framework Setup\NDP\v4\Client" -ErrorAction SilentlyContinue).Version -like "4.5*")) { Write-Verbose -Message "Attempting to Unzip $File to location $Destination using .NET 4.5" try { [System.Reflection.Assembly]::LoadWithPartialName("System.IO.Compression.FileSystem") | Out-Null [System.IO.Compression.ZipFile]::ExtractToDirectory("$File", "$Destination") } catch { Write-Warning -Message "Unexpected Error. Error details: $_.Exception.Message" } } else { Write-Verbose -Message "Attempting to Unzip $File to location $Destination using COM" try { $shell = New-Object -ComObject Shell.Application $shell.Namespace($destination).copyhere(($shell.NameSpace($file)).items()) } catch { Write-Warning -Message "Unexpected Error. Error details: $_.Exception.Message" } } } |