Chocolatey Auto Updates

$TranscriptPath = "ServerTranscriptLocation" + $env:COMPUTERNAME
If (!(Test-Path $TranscriptPath))
{
    md $TranscriptPath
}

$TranscriptLocation = $TranscriptPath + "\" + $(get-date -f yyyy-MM-dd-hh-mm) + ".txt"

Start-Transcript -path $TranscriptLocation

If (Test-Path "C:\Chocolatey\bin\chocolatey.exe")
{
    Write-Host `r`n
    Write-Output "Found Chocolatey Install"
    Write-Host `r`n
    $Chocopath = "C:\Chocolatey\bin"
} ElseIf (Test-Path "C:\ProgramData\Chocolatey\bin\chocolatey.exe")
{
    Write-Host `r`n
    Write-Output "Found Chocolatey Install"
    Write-Host `r`n
    $Chocopath = "C:\ProgramData\Chocolatey\bin"
} ELSE {
     iex ((new-object net.webclient).DownloadString('https://chocolatey.org/install.ps1'))
     If (Test-Path "C:\Chocolatey\bin\chocolatey.exe")
    {
        Write-Host `r`n
        Write-Output "Found Chocolatey Install"
        Write-Host `r`n
        $Chocopath = "C:\Chocolatey\bin"
    } ElseIf (Test-Path "C:\ProgramData\Chocolatey\bin\chocolatey.exe")
    {
        Write-Host `r`n
        Write-Output "Found Chocolatey Install"
        Write-Host `r`n
        $Chocopath = "C:\ProgramData\Chocolatey\bin"
    }
}

$InstalledExp = $Chocopath + '\chocolatey.exe list -lo | ForEach {$_.Substring(0,$_.IndexOf(" "))} | Where {$_ -ne "Reading" -and $_ -ne "No" -and $_ -ne "The" -and $_.Length -gt 0}'

$Installed = Invoke-Expression $InstalledExp

ForEach ($i in $Installed)
{
    If ($i.Length -gt 0)
    {
        $Update = $Chocopath + "\cup.exe " + $i
        Write-Host Checking for $i update.
        Write-Host `r`n
        Invoke-Expression $Update | Out-Host
        Write-Host `r`n
    }
}

$InstallListPath = "PathToInstallList" + "\chocolatey_installs.txt"
$InstallList = Get-Content $InstallListPath

IF ($Installed -ne $null)
{
    IF ($InstallList -ne $null)
    {
        $ToInstall = Compare-Object $Installed $InstallList | Where-Object {$_.SideIndicator -eq "=>"} | Select-Object -ExpandProperty InputObject
    }
    ELSE
    {
        EXIT
    }
}
ELSE
{
    IF ($InstallList -ne $null)
    {
    $ToInstall = $InstallList
    }
    ELSE
    {
        EXIT
    }
}

ForEach ($i in $ToInstall)
{
    If ($i.Length -gt 0)
    {
        $Install = $Chocopath + "\cinst.exe " + $i
        Write-Host Installing $i.
        Write-Host `r`n
        Invoke-Expression $Install | Out-Host
        Write-Host `r`n
    }
}
Stop-Transcript

EXIT