Sitecore PowerShell – Find Duplicate value in item field

I come across this type of need so may time in my entire career of Sitecore Development. Where I need to find the duplicate value in item’s field. I am writing this as note to me for my own future reference. Hopping this will also help my Sitecore community.

$dictionaryItems = Get-Item -Path 'master:' -Query "/sitecore/system/Dictionary//*[@@templateid='{6D1CD897-1936-4A3A-A511-289A94C2A7B1}']" | Select-Object -Property ID, DisplayName, @{Label="DictionaryKey"; Expression= {$_['Key']}}
$uniqueCollection = $null
foreach ($item in $dictionaryItems){
    if($uniqueCollection -Contains $($item.DictionaryKey)){
        Write-Host "Duplicate Field Value found in item ID  $($item.ID)"
    }
    else{
        $uniqueCollection += $item.DictionaryKey
    }
}

Happy Sitecore PowerShelling…!!!

References

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