Example of PowerShell Main base script with detection of PowerShell version and Azure PowerShell version.
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param( [switch] $Help = $false ) function Usage() { Write-Host 'Expected parameters:' Write-Host ' -Help : Shows this help.' exit 0 } function DetectPowershellVersion($requiredVersion) { $PSVersion = [int] $PSVersionTable.PSVersion.Major Write-Host "Detected Powershell Version $PSVersion (Required is $requiredVersion)" if ($PSVersion -lt $requiredVersion) { throw "Wrong Powershell Version $PSVersion (Required is $requiredVersion)" } } function DetectAzurePowershellVersion() { $AzurePSVersion = (Get-Module -ListAvailable -Name Azure -Refresh).Version.ToString() Write-Host "Detected Azure Powershell Version $AzurePSVersion" } # Global variables $scriptDir = Split-Path ($MyInvocation.MyCommand.Definition) -parent Set-Location $scriptDir #Main try { #Preparation steps $startTime = Get-Date Write-Host -ForegroundColor Cyan "Script started ($startTime)" DetectPowershellVersion 4 DetectAzurePowerShellVersion #1 Write-Host -ForegroundColor Cyan "Step 1: ..." Write-Host Write-Host # END $endTime = Get-Date Write-Host "Script finished ($endTime)" $elapsedTime = new-timespan $startTime $endTime Write-Host -ForegroundColor Cyan "SUCCESS: Script time = $elapsedTime" exit 0 } catch [Exception] { Write-Host -ForegroundColor Magenta $psItem.Exception Write-Host -ForegroundColor Magenta $psItem.ErrorDetails Write-Error -Exception $psItem.Exception Exit 1 } |