Scans a Desired State Configuration .mof file and returns the declared/required modules.

Get-MofModule.ps1

function Get-MofModule {
<#
    .SYNOPSIS
        Scans a Desired State Configuration .mof file and returns the declared/
        required modules.
#>
    [CmdletBinding()]
    param (
        [Parameter(Mandatory, ValueFromPipeline, ValueFromPipelineByPropertyName)]
        [System.String] $Path
    )
    process {

        $modules = @{ };
        $moduleName = $null;
        $moduleVersion = $null;

        Get-Content -Path $Path -Encoding Unicode | ForEach-Object {
    
            $line = $_;
            if ($line -match '^\s?Instance of') {

                ## We have a new instance so write the existing one
                if (($null -ne $moduleName) -and ($null -ne $moduleVersion)) {
            
                    $modules[$moduleName] = $moduleVersion;
                    $moduleName = $null;
                    $moduleVersion = $null;
                }
            }
            elseif ($line -match '(?<=^\s?ModuleName\s?=\s?")\S+(?=";)') {

                ## Ignore the default PSDesiredStateConfiguration module
                if ($Matches[0] -notmatch 'PSDesiredStateConfiguration') {
                
                    $moduleName = $Matches[0];
                }
            }
            elseif ($line -match '(?<=^\s?ModuleVersion\s?=\s?")\S+(?=";)') {

                $moduleVersion = $Matches[0] -as [System.Version];
            }
        }

        Write-Output -InputObject $modules;
    
    } #end process
} #end function Get-MofModule