Welcome Forums General PowerShell Q&A Powershell remove inactive computers from csv list

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    • #69297
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      I have a list of hosts/computers in a csv file that I use. lets say list.csv

      Some of the computer names in the ‘host name’ column of the csv likely have not been logged into in a while so I want to remove all rows that contain an out of date computer record.

      Using below I can get all computers in the domain that have not been logged into in 90 days -ish

      I want however to take that list of computers retrieved from below and run them against list.csv, where where one of the computer names matches I want to delete the entire row(s) from list.csv.

      Ive tried now for a while with other articles and import-csv etc. but cant crack it.


      $list = Import-Csv “C:\list.csv”

      # Below supposed to get all computers that are inactive over 90 days then display all that is in $list minus the inactive machines
      Search-AdAccount -ComputersOnly -AccountInactive -TimeSpan 90 | Where{ $_.Name -notin $list.’host name’ }

    • #69301
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      Helping Hand
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      Export results of Search-ADAccount to a csv file then compare the two files.

      $list1 = Import-Csv .\list1.csv
      $list2 = Import-Csv .\list2.csv
      # Pass only the different objects
      $difference = Compare-Object -ReferenceObject $list1 -DifferenceObject $list2 -Property Hostname -PassThru | 
      Select-Object * -ExcludeProperty SideIndicator
      $difference | Export-Csv .\list-difference.csv -NoTypeInformation
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