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@dave-britten
Created October 1, 2018 22:35
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Compares group membership of 2 or more users
Function Compare-ADGroupMembership {
[CmdletBinding()]
Param (
[Parameter(Mandatory=$true,ValueFromPipeline=$true)]
[Alias('Name')]
[string[]]$Username
)
BEGIN {
$groups = @{}
}
PROCESS {
ForEach ($u in $Username) {
$membership = Get-ADPrincipalGroupMembership -Identity $u
foreach ($g in $membership) {
Write-Verbose "Group: $($g.name)"
if (!$groups.ContainsKey($g.name)) {
$groups.Add($g.name,[System.Collections.ArrayList]@()) | Out-Null
}
$groups[$g.name].Add($u) | Out-Null
}
}
}
END {
ForEach($g in $groups.GetEnumerator()) {
$o = New-Object -TypeName PSObject
$o | Add-Member NoteProperty GroupName $g.Name
ForEach($u in $Username) {
$o | Add-Member NoteProperty $u (@{$true=$u;$false=''}[$g.Value -contains $u])
}
Write-Output $o
}
}
}
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