Using SQL SMO in PowerShell to script SQL Server objects

Script DB to Files.ps1

Add-Type -Path 'C:\Program Files\Microsoft SQL Server\140\SDK\Assemblies\Microsoft.SqlServer.Smo.dll'

$SmoServer = New-Object ('Microsoft.SqlServer.Management.Smo.Server') -argumentlist 'localhost'
$SmoServer.ConnectionContext.LoginSecure = $false
$SmoServer.ConnectionContext.set_Login("sa")
$SmoServer.ConnectionContext.set_Password("Passw0rd!")

$db = $SmoServer.Databases['msdb']

$Objects = $db.Tables
$Objects += $db.Views
$Objects += $db.StoredProcedures
$Objects += $db.UserDefinedFunctions

# Progress tracking
[int]$TotObj = $Objects.Count
[int]$CurObj = 1

# Build this portion of the directory structure out here in case scripting takes more than one minute.
$SavePath = "C:\TEMP\DbFiles\$(Get-Date -Format yyyyMMddHHmm)"

foreach ($CurrentObject in $Objects) {

    $TypeFolder = $CurrentObject.GetType().Name
    $OutputFile = "$($CurrentObject.Name).sql"
    $OutputFolder = "$SavePath\$TypeFolder"

    if (!(Test-Path -Path $OutputFolder)) {
        New-Item -ItemType directory -Path $OutputFolder
    }

    # Create a Scripter object with our preferences.
    $Scripter = New-Object ('Microsoft.SqlServer.Management.Smo.Scripter') ($SmoServer)
    $Scripter.Options.FileName = "$OutputFolder\$OutputFile"
    $Scripter.Options.AppendToFile = $True
    $Scripter.Options.AllowSystemObjects = $False
    $Scripter.Options.ClusteredIndexes = $True
    $Scripter.Options.DriAll = $True
    $Scripter.Options.ScriptDrops = $False
    $Scripter.Options.IncludeHeaders = $False
    $Scripter.Options.ToFileOnly = $True
    $Scripter.Options.Indexes = $True
    $Scripter.Options.Permissions = $True
    $Scripter.Options.WithDependencies = $False
    $Scripter.Options.Encoding = [System.Text.Encoding]::ASCII

    # This is where each object actually gets scripted one at a time.
    Write-Output "[$CurObj of $TotObj] ($("{0:P1}" -f ($CurObj / $TotObj))) Scripting out $TypeFolder $CurrentObject"
    $Scripter.Script($CurrentObject)
    $CurObj++

} # This ends the loop