Heppo

The Script now installs the latest Version of 7 Zip by by reading the Releasenumber from SourceForge. It now Accepts Spaces at the workdirectory, and writes What its Doing to the User.
 
 
#Requires -Version 5.0 Write-Verbose "Getting latest Version" -Verbose class SourceForge { [string] $Project = $Null [PSCustomObject]$LatestRelease = $Null SourceForge([string] $project) { $this.Project = $project $this.GetLatestRelease() } [void] GetLatestRelease() { $originalSecurityProtocol = [Net.ServicePointManager]::SecurityProtocol [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 $this.GetLatestRelease('https://sourceforge.net/projects/{0}/best_release.json') [Net.ServicePointManager]::SecurityProtocol = $originalSecurityProtocol } [void] GetLatestRelease([string] $url) { $url = $url -f @($this.Project) Write-Debug "[SourceForge].GetLatestRelease URL: ${url}" $this.LatestRelease = ConvertFrom-Json (Invoke-WebRequest $url -UseBasicParsing).Content } [string] LatestVersion() { if (-not $this.LatestRelease) { $this.GetLatestRelease() } return $this.LatestRelease.release.filename.Split('/')[2] } [hashtable] LatestHash() { if (-not $this.LatestRelease) { $this.GetLatestRelease() } return @{ 'Algorithm' = 'MD5'; 'Hash' = $this.LatestRelease.release.md5sum.ToUpper(); } } } $7zip = [SourceForge]::new('sevenzip') $Version = $7zip.LatestVersion() # get Numbers from String $Version = $Version -replace("[^\d]","") # Silent Install 7-Zip # http://www.7-zip.org/download.html # Path for the workdir $workdir = 'C:\Installer' Write-Verbose "Creating Working Directory: $workdir" -Verbose # Check if work directory exists if not create it If (!(Test-Path -Path $workdir -PathType Container)) { New-Item -Path $workdir -ItemType directory } # Download the installer Write-Verbose "Downloading 7-Zip Version $Version" -Verbose $source = "http://www.7-zip.org/a/7z$Version-x64.exe" $destination = "$workdir\7-Zip.exe" # Check if Invoke-Webrequest exists otherwise execute WebClient if (Get-Command 'Invoke-Webrequest') { Invoke-WebRequest $source -OutFile $destination } else { $WebClient = New-Object System.Net.WebClient $webclient.DownloadFile($source, $destination) } Invoke-WebRequest $source -OutFile $destination # Start the installation Write-Verbose "Install 7-Zip Version $Version" -Verbose $UnattendedArgs='/S' $File='"' + $workdir + '\7-zip.exe"' (Start-Process $File $UnattendedArgs -Wait -Passthru).ExitCode # Remove the installer Write-Verbose "Delete Working Directory" -Verbose Remove-Item $workdir -Recurse -Force