Download Farm Solution from the Solution Management[Tip]

This short post is from category "short tips". Recently I needed the actual solution package (.wsp) from one SharePoint 2013 Farm. Unfortunately the only thing we had was a Farm solution uploaded to the Solution Manager. Here is a short script to get the actual wsp package that is already uploaded.

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$farm = Get-SPFarm
$file = $farm.Solutions.Item('mysolution.wsp').SolutionFile
$file.SaveAs('c:\temp\mysolution.wsp')

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This should also work on SharePoint 2010.