VMware PowerCLI vm shutdown by folder

clear
Add-PSSnapin VMware.VimAutomation.Core
$Admin ="tech-jockey\jockey-admin"
$Password = Get-Content c:\vccred\securestring.txt | convertto-securestring
$Credential = new-object -typename System.Management.Automation.PSCredential -argumentlist $Admin, $Password
Connect-VIServer tech-jockey-vCenter -SaveCredentials -Credential $Credential

clear
$fl=get-folder jockeyfolder1,jockeyfolder2,backupfolder1,prodfolder1

foreach($fol in $fl)
{
write-host "Folder name " $fol
$vm=get-folder -name $fol.name |Get-VM | Where-Object{$_.PowerState -eq "PoweredOn"} |select name
foreach($_ in $vm)
{
write-host $_.name
Shutdown-VMGuest -VM $_.name -Confirm:$false
}
}