Create dynamic members of PSObject - powershell

Question

This is what I got:
Import-Module ActiveDirectory
$objectCollection = #()
$groups = (Get-ADGroup -Filter *)
foreach ($group in $groups) {
$groupName = ($group.SamAccountName)
$object = (New-Object –Type PSObject)
Add-Member -InputObject $object -MemberType NoteProperty –Name ($groupName) –Value ""
$groupMembers = (Get-ADGroupMember -Identity "$groupName" -Recursive |
Select-Object -ExpandProperty Name)
$object.$groupName = $groupMembers
$objectCollection += $object
}
$objectCollection | Export-Csv -Path C:\Users\administrator\Desktop\test.csv `
-Encoding UTF8 -Delimiter ";" -NoTypeInformation
The goal with this script is to create a CSV file where the AD group name is the header in one column an then all the members of the group listed below on separate lines. Next group is in a new column with the AD-group name as header and so on...
Normally I create as many Members as I need but this time I want it to be dynamic to how many groups there is and the script above only displays the first group in the $groups array.
Any help is appreciated, thanks in advance!

Answer 1

Having each group on a separate column in a CSV file seems illogical to me ; one on each row would IMHO be better (and easier too).
Here is how I would do it:
Import-Module ActiveDirectory
Get-ADGroup -Filter * | ForEach-Object {
[PSCustomObject]#{
Name = $_.samAccountName
Members = (Get-ADGroupMember $_ -Recursive | Select-Object -ExpandProperty Name) -join ","
}
} | Export-Csv -Path "C:\Users\administrator\Desktop\test.csv" -Encoding UTF8 -Delimiter ";" -NoTypeInformation
Output:
"Name";"Members"
"Administrators";"Administrator,..."
"Domain Users";"Administrator,TestUser,..."