Get , remove and install the spusersolution again using powershell if solution exists already

Question

hi,
i want to know how can i write in my powershell script:
if spusersolution exists on the soutions gallery in my site collec , i want to uninstall this and re-install again
$solutionIS = $sandboxSite | Get-SPUserSolution | where-object {$_.Name -eq $solutionName}
aftre this, how can i check whether this exists , if exists i want to remove and install and activate this again.
else if it doenst exists, i want to deploy directly.

Answer 1

Hi, You can use the following. Please let me know how that goes:
if([bool($solutionIS = $sandboxSite | Get-SPUserSolution | where-object {$_.Name -eq $solutionName}))
#It exists, so remove it
Remove-SPUserSolution $solutionIS
#install the solution again.
Install-SPUserSolution "some solution"
i
Nico Martens
SharePoint/Office365/Azure Consultant