CleanSandstormMods.ps1

#Instructions: Change the path on the line below to your Insurgency Sandstorm modio folder (no slash on end).Then save and run script.
$insmodio='C:\Program Files (x86)\Steam\steamapps\common\sandstorm\Insurgency\Mods\modio'

#Script - dont modify anything from here down, unless you know what you're doing
#First check that the path is exists or is an Insurgency modio directory, nag if something is wrong
[String]$exist=Test-Path $insmodio
if ($insmodio -notlike '*sandstorm\Insurgency\Mods\modio*' -or $exist -eq 'False') {
    Write-Host -ForegroundColor Red "Incorrect path->" $insmodio
    Write-Host -ForegroundColor Cyan "Above Path does not exist or is not an Insurgency Sandstorm Modio folder!"
    Write-Host -ForegroundColor Cyan "Edit line 2 of this script to point to your Insurgency Sandstorm Modio folder"
    Read-Host -Prompt "Exiting! Press press enter to quit"
    exit
}

#Variable declarations / modio folder size check
$ogsize=((Get-ChildItem $insmodio -Recurse | Measure-Object -Property Length -Sum -ErrorAction Stop).Sum)
$ogsizegb="{0:N2} GB" -f (($ogsize) / 1GB)
$insmods=Get-ChildItem $insmodio -Directory
$deletes=@()
$track=0

#Processing and reporting on modio folder/don't touch newest folder and capture deletes for processing
write-host  -ForegroundColor Cyan "Processing mod folders in" $insmodio
write-host  -ForegroundColor Cyan "Insurgency Sandstorm Mod folder size:" $ogsizegb
foreach ($mod in $insmods) {
    $modpath=$insmodio+'\'+$mod
    $modchildren=Get-ChildItem $modpath -Directory | Sort-Object -Descending -Property CreationTime
    $count=0
    foreach ($submoddir in $modchildren) {$count=$count+1}
    If ($count -gt 1) {
        $count=0
        $track=1
        write-host "********************************************"
        write-host $modpath "has multiple sub-directories and the following action will be taken:"
        foreach ($submoddir in $modchildren) {
            $submodpath=$modpath+'\'+$submoddir
            $submodpathprop=Get-Item $submodpath
            $count=$count+1
            If ($count -eq 1) {
                write-host  -ForegroundColor Green $submoddir "created" $submodpathprop.CreationTime "is the newest and is being kept."
            }
            Else {
                write-host -ForegroundColor Red  $submoddir "created" $submodpathprop.CreationTime "is older and being deleted."
                $deletes=$deletes+$submodpath
            }
        }
     }
}
write-host "********************************************"

#In the event script run 2x or no folders require processing
If ($track -eq 0) {
    Write-host -ForegroundColor Green "No old versions of mods were found requiring deletion, quitting."
    Read-Host -Prompt "Press press enter to quit"
    exit
}
#"{0:N2} GB" -f ((Get-ChildItem $insmodio -Recurse | Measure-Object -Property Length -Sum -ErrorAction Stop).Sum / 1GB)

#confirmation loop, if there are deletes user can review report before deleting
$confirmation= Read-Host "Are you sure you want to delete all folders listed in red above? [y/n]"
while ($confirmation -ne 'y') {
    if ($confirmation -eq 'n') {exit}
    $confirmation= Read-Host "Are you sure you want to delete all folders listed in red above? [y/n]"
}

#Deletion code, some checking if folder in fact deleted and warns if it has not been
foreach ($delete in $deletes) {
    Get-ChildItem -Path $delete -Recurse | Remove-Item -force -recurse -ErrorAction SilentlyContinue
    Remove-Item $delete -Force
    [String]$exists=Test-Path $delete
    if ($exists -eq 'True') {write-host -ForegroundColor Red "Unable to delete folder, perhaps re-run script as administator or manually delete:" $delete}
    if ($exists -eq 'False') {write-host -ForegroundColor Green "Successfully deleted:" $delete}
}

#final modio size savings check and report
$newsize=((Get-ChildItem $insmodio -Recurse | Measure-Object -Property Length -Sum -ErrorAction Stop).Sum)
$newsizegb="{0:N2} GB" -f (($newsize) / 1GB)
$removedspace="{0:N2} GB" -f (($ogsize - $newsize) / 1GB)
write-host "********************************************"
Write-Host "Modio folder Size before deletion" $ogsizegb
Write-Host "Modio folder Size after deletion" $newsizegb
Write-Host -ForegroundColor Green "Saved Space" $removedspace
Read-Host -Prompt "Press enter to quit"