Private/Invoke-Unzip.ps1
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function Invoke-Unzip { <# .DESCRIPTION Provides robust zip file extraction by attempting 3 possible methods. .Parameter zipfile Specify the zipfile location and name .Parameter outpath Specify the extract path for extracted files .EXAMPLE Extracts folder.zip to c:\folder Invoke-Unzip -zipfile c:\folder.zip -outpath c:\folder .Link https://github.com/TheTaylorLee/AdminToolbox #> [cmdletbinding()] param( [string]$zipfile, [string]$outpath ) $ErrorActionPreference = 'SilentlyContinue' if (Get-Command expand-archive) { Expand-Archive -Path $zipfile -DestinationPath $outpath } $ErrorActionPreference = 'Continue' else { try { #Allows for unzipping folders in older versions of powershell if .net 4.5 or newer exists Add-Type -AssemblyName System.IO.Compression.FileSystem [System.IO.Compression.ZipFile]::ExtractToDirectory($zipfile, $outpath) } catch { #If .net 4.5 or newer not present, com classes are used. This process is slower. [void] (New-Item -Path $outpath -ItemType Directory -Force) $Shell = New-Object -com Shell.Application $Shell.Namespace($outpath).copyhere($Shell.NameSpace($zipfile).Items(), 4) } } } |