check-and-update.ps1
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# Auto-Update PowerShell # fromsite: https://www.j3ns.de/powershell/auto-update-powershell-modules/ function CheckAndUpdateModule { param ( [string]$Module = '', [bool]$UninstallFirst = $false ) # Read the currently installed version $installed = Get-Module -ListAvailable -Name $Module -ErrorAction SilentlyContinue # Install if not existing if (!$installed) { Install-Module -Name $Module -Scope CurrentUser -Force -AllowClobber -Verbose:$false exit } # There might be multiple versions if ($installed -is [array]) { $installedversion = $installed[0].version } else { $installedversion = $installed.version } # Lookup the latest version online $online = Find-Module -Name $Module -Repository PSGallery -ErrorAction Stop $onlineversion = $online.version # Compare the versions if ($onlineversion -gt $installedversion) { # Uninstall the old version if ($UninstallFirst -eq $true) { Write-Output "Uninstalling prior Module $Module version $installedversion" Uninstall-Module -Name $Module -Force -Verbose:$false } Write-Output "Installing newer Module $Module version $onlineversion" Install-Module -Name $Module -Scope CurrentUser -Force -AllowClobber -Verbose:$false } else { Write-Output "Module $Module version $installedversion loaded" } } |