Retrieve Active Directory Organizational Unit for machine and only display if matches w/ specified parameter

get_ou.ps1

param([string]$env="DEV")

$computers = Get-Content Documents\servers.txt

Foreach ($server in $computers){
    $ou_result = ([adsisearcher]"(&(name=$server)(objectClass=computer))").findall().path
    echo $ou_result | Select-String -Pattern $env -NotMatch
}