Create temporary drive that will clean up itself on every start up

v_ramdisk.ps1

Add-Type -AssemblyName System.Windows.Forms

$workingDirectory = 'D:\v_ram'
$daysBeforeDelete = 3
$driveLetter      = 'S:'

$workFolder   = 'current'
$backupFolder = 'backup'
$dateFormat   = 'yyyy_MM_dd'

function Is-Empty {
    param (
        [string] $Path
    )
    return (Get-ChildItem $Path | Measure-Object).count -eq 0
}

function Show-Notify {
    param (
        [string] $Title,
        [string] $Message,
        [int] $Timeout = 10000
    )
    $path = (Get-Process -id $pid).Path
    $notify = New-Object System.Windows.Forms.NotifyIcon
    $notify.Icon = [System.Drawing.Icon]::ExtractAssociatedIcon($path)
    #$notify.BalloonTipIcon = [System.Windows.Forms.ToolTipIcon]::Warning
    $notify.BalloonTipTitle = $Title
    $notify.BalloonTipText = $Message
    $notify.Visible = $true
    $e_h = {
        param([object]$sender, [System.EventArgs]$e)
        $notify.Dispose()
    }
    $notify.add_BalloonTipClosed($e_h)
    $notify.ShowBalloonTip($Timeout)
}

# Make sure working directory exist
mkdir $workingDirectory -force
mkdir (Join-Path $workingDirectory $workFolder) -force
mkdir (Join-Path $workingDirectory $backupFolder) -force

# Move everything in work folder to backup folder
if (-not (Is-Empty (Join-Path $workingDirectory $workFolder))){
    $todayFolder = [IO.Path]::Combine($workingDirectory, $backupFolder, (get-date -f $dateFormat))
    mkdir $todayFolder -force

    Move-Item -Path ([IO.Path]::Combine($workingDirectory, $workFolder, '*')) -Destination $todayFolder
}

$deleteCount = 0
# Delete old backup
Get-ChildItem (Join-Path $workingDirectory $backupFolder) | foreach-object {
    # Get folder name and check is older enough to be deleted
    if ((new-timespan ([DateTime]::ParseExact($_.Name, 'yyyy_MM_dd', $null)) (get-date)).Days -gt $daysBeforeDelete) {
        rm -R -Force ([IO.Path]::Combine($workingDirectory, $backupFolder, $_.Name))
        $deleteCount++
    }
}

if ($deleteCount -gt 0) {
    Show-Notify "VRamdisk" "Permanently deleted $deleteCount backups"
}

# Mount folder as dirve
subst $driveLetter (Join-Path $workingDirectory $workFolder)

v_ramdisk_install.ps1

$workingDirectory = 'D:\v_ram'
$taskName = 'VRAMDISK'
$taskPath = '\'

$scriptPath = (Join-Path $workingDirectory 'v_ramdisk.ps1')

if (([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
    Write-Host "Running with administrator privileges."
    $taskExists = Get-ScheduledTask -TaskName $taskName -TaskPath $taskPath -ErrorAction SilentlyContinue

    if ($taskExists) {
        Unregister-ScheduledTask -TaskName $taskName -TaskPath $taskPath -Confirm:$false
        Write-Host "Task $taskName deleted."
    }

    $Action = New-ScheduledTaskAction -Execute 'powershell.exe' -Argument "-File `"$scriptPath`""

    $Trigger = New-ScheduledTaskTrigger -AtLogon

    $Settings = New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries -StartWhenAvailable -RunOnlyIfNetworkAvailable -Hidden

    Register-ScheduledTask -TaskName $taskName -Action $Action -Trigger $Trigger -Settings $Settings -User "SYSTEM" -TaskPath $taskPath

    Write-Host "Task $taskName created successfully."
} else {
    Write-Host "Not running with administrator privileges."
    Write-Host "Restart the script with administrator privileges."
}

v_ramdisk_uninstall.ps1

$taskName = 'VRAMDISK'
$taskPath = '\'

if (([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
    Write-Host "Running with administrator privileges."
    $taskExists = Get-ScheduledTask -TaskName $taskName -TaskPath $taskPath -ErrorAction SilentlyContinue

    if ($taskExists) {
        Unregister-ScheduledTask -TaskName $taskName -TaskPath $taskPath -Confirm:$false
        Write-Host "Task $taskName deleted."
    }
} else {
    Write-Host "Not running with administrator privileges."
    Write-Host "Restart the script with administrator privileges."
}