Public/Import-specModule.ps1
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Function Import-specModule { <# .SYNOPSIS Imports one or more PowerShell modules, ensuring specific versions are loaded if requested. .DESCRIPTION The Import-specModule function provides enhanced module importing capabilities within your PowerShell workflows. Key features include: * Version Management: Imports a specific version of a module if provided. * Selective Unloading: If a different version of a module is already loaded and a specific version is requested, the function unloads the pre-existing one. * Robust Error Handling: Includes detailed error handling to help identify and troubleshoot module import issues. .PARAMETER moduleName One or more PowerShell module names to import. Can be provided as: * A single string * An array of strings * Pipeline input .PARAMETER version Optional. Specifies the target version of the module to import. If the correct version is already loaded, no action is taken. .EXAMPLE Import-specModule -moduleName AzureAD Imports the latest available version of the 'AzureAD' module. .EXAMPLE Import-specModule -moduleName DHCPServer -version 1.0.5 Imports and loads version 1.0.5 of the 'DHCPServer' module. If a different version is loaded, it will be unloaded first. .EXAMPLE Import-specModule -moduleName "ExchangeOnlineManagement", "MicrosoftTeams" Imports or loads the latest versions of multiple modules in one call. .NOTES * 1.0.0 - owen.heaume - Initial release #> [CmdletBinding()] Param ( [Parameter(Mandatory = $true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [string[]]$ModuleName, [Parameter(Mandatory = $false, ValueFromPipelineByPropertyName = $true)] [string]$Version ) Process { foreach ($module in $moduleName) { if ($version) { Write-Host "Attempting to import module '$module' version $version" -ForegroundColor DarkCyan } else { Write-Host "Attempting to import module '$module'" -ForegroundColor DarkCyan } $existingModule = Get-Module -Name $module if ($existingModule) { if ($Version -and $existingModule.Version.ToString() -ne $Version) { Write-Host "Module '$module' is loaded (different version) - unloading" -ForegroundColor DarkGray Remove-Module -Name $module -Force } else { Write-Host "Module '$module' is already loaded (correct version)`n" -ForegroundColor DarkGray continue } } else { Write-Host "Module '$module' is not loaded" -ForegroundColor DarkGray } # Only attempt to import if the correct version is not already loaded try { if ($version) { Write-Host "Importing module '$module'" -ForegroundColor DarkGray Import-Module -Name $module -DisableNameChecking -RequiredVersion $Version -Global -ea Stop Write-Host "Imported successfully`n" -ForegroundColor DarkGreen } else { Write-Host "Importing module '$module'" -ForegroundColor DarkCyan Import-Module -Name $module -DisableNameChecking -Global -ea stop Write-Host "Imported successfully`n" -ForegroundColor DarkGreen } } catch [System.Management.Automation.ItemNotFoundException] { Write-Warning "Module '$module' (or the specified version) could not be found" } catch { Write-Error "Failed to import module '$module': $_" } } } } |