Get Count of all pages in all site collections in all webapps

getPageCountBySC.ps1

Add-PSSnapin Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue 
$report = "$PWD\pagesBySC.txt"

$webapps = Get-SPWebApplication
$pgTotal = 0
foreach ($wa in $webapps)
{
	$pgWA = 0
	$sites = $wa | select -Expand Sites
	foreach ($site in $sites)
	{
		$pgCount = 0
		foreach ($web in $site.AllWebs)
		{
			if ([Microsoft.SharePoint.Publishing.PublishingWeb]::IsPublishingWeb($web)) {
				$pWeb = [Microsoft.SharePoint.Publishing.PublishingWeb]::GetPublishingWeb($web)
				$pages = $pWeb.PagesList
				$pgCount += $pages.ItemCount
			}
		}
		Add-Content -Path $report -Value "$Site $pgCount"
		$pgTotal += $pgCount
		$pgWA += $pgCount
	}
	Add-Content -Path $report -Value "Total for $wa : $pgWA"
}
Add-Content -Path $report -Value "Total Pages: $pgTotal"