$pattern = "Get-SPSite"
$path    = "C:\_scripts\SharePoint\OnPrem"


$files = Get-ChildItem -Path $path -Recurse -Include "*.ps1", "*.psm1"

$scanned = @()

foreach( $file in $files )
{
    if( $scanned -notcontains $file.Directory.FullName -and $file.Directory.Parent.FullName -eq $path )
    {
        $scanned += $file.Directory.FullName
        Write-Host "Scanning: $($file.DirectoryName)" -ForegroundColor Cyan
    }
    else
    {
        Write-Verbose "Scanning: $($file.DirectoryName)"
    }

    $patternMatches = Get-Content -Path $file.FullName | Select-String -Pattern $pattern

    if( $patternMatches )
    {
        Write-Host "`t$($patternMatches.Matches.Count) match(es): $($file.FullName)" -ForegroundColor Green
    }
    else
    {
        Write-Verbose "No Match: $($file.FullName)"
    }
}