Extract solutions from a SharePoint Farm into dir

PS_Script_Extract_All_WSP_From_Current_SP_Farm.ps1

$dirName = "<directory path>" 

Write-Host Exporting solutions to $dirName  

foreach ($solution in Get-SPSolution)  

{  

    $id = $Solution.SolutionID  

    $title = $Solution.Name  

    $filename = $Solution.SolutionFile.Name 

    Write-Host "Exporting ‘$title’ to …\$filename" -nonewline  

    try {  

        $solution.SolutionFile.SaveAs("$dirName\$filename")  

        Write-Host " – done" -foreground green  

    }  

    catch  

    {  

        Write-Host " – error : $_" -foreground red  

    }  

}