Question

Powershell Foreach loop using Export-CSV

Asked by: pubeheed

I am trying to write a script that logicaly does the following:

Gets all Unique Employee ID within AD and output to a CSV - tick
Get the data from an HR database dump in a format that I can use - tick

Loop through each Unique employee ID and pull the relevant columns from the HR data dump - Can't get this to work

Output all the Unique employee id's with the relevant HR data in a CSV that I can use to upload the data to AD. (I have the upload script working but can't get the input)

Below is what I have so far - If I only have 1 employee ID in Unique1.txt and 1 line of data in HRDATA.csv it works but if I have more data it does seem to work.

Also I think my logic might be slightly out in the if than else loop.
Any help would be great!!

Get-QADUser -sizelimit 0 -LdapFilter "(EmployeeID=*)" -IncludedProperties EmployeeID | `
Select-Object EmployeeID | `
  Group-Object EmployeeID | where { $_.Count -eq 1 } | Select-Object -Expand Group | Export-CSV "C:\temp\PowerShell\Unique1.txt" -noTypeInformation -ErrorAction SilentlyContinue
  
 $Uniques = Import-Csv .\Unique1.txt
 foreach ($Unique in $Uniques) 
 {
     $Users = Import-Csv .\HRData1.csv
        @(foreach ($User in $Users)
        {
 
            if ($Unique.employeeid -notcontains $User.EMPLID)
            {
                Write-Host "$User.employeeID in AD but not found in HR Output"
            }    
            Else
            {
                Write-Output $User 
                
            }
        }) | Export-Csv c:\temp\PowerShell\inputforscript.csv
}

                                  
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Asked On
2009-09-08 at 14:30:43ID24716359
Tags

Powershell

,

AD

,

IDM

,

Quest

Topics

Powershell

,

Active Directory

,

Windows 2003 Server

Participating Experts
2
Points
400
Comments
6

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Answers

 

by: JK-PBSPosted on 2009-09-08 at 16:23:41ID: 25287035

You Need to add " -append" to the end of the string that Exports to the .CSV file.
Without it as it gathers new names it erases the old one. With the -append switch it will only add to the file.

 

by: JK-PBSPosted on 2009-09-08 at 16:26:44ID: 25287051

The code should look like this

Group-Object EmployeeID | where { $_.Count -eq 1 } | Select-Object 
-Expand Group | Export-CSV "C:\temp\PowerShell\Unique1.txt" 
-noTypeInformation -ErrorAction SilentlyContinue -append
  
                                              
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by: pubeheedPosted on 2009-09-09 at 00:45:41ID: 25289015

Hi JK-PBS

Thanks for getting back to me, unfortunetly Export-CSV does not have an append option so this doesn't work.

Error Below:
A parameter cannot be found that matches parameter name 'append'.
At :line:28 char:110
+ } )| Export-Csv c:\temp\PowerShell\inputforscript.csv -noTypeInformation -ErrorAction SilentlyContinue -append <<<< 

Any other ideas?

 

by: pubeheedPosted on 2009-09-09 at 02:57:05ID: 25289571

Got it working myself

Get-Date
 
Get-QADUser -sizelimit 0 -LdapFilter "(EmployeeID=*)" -IncludedProperties EmployeeID | `
	Select-Object EmployeeID | `
  	Group-Object EmployeeID |`
  	where { $_.Count -eq 1 } |`
  	Select-Object -Expand Group |`
  	Export-CSV "C:\temp\PowerShell\Unique1.txt" -noTypeInformation -ErrorAction SilentlyContinue
	
$DataArray = New-Object System.Collections.ArrayList
  
 $Uniques = Import-Csv "C:\temp\PowerShell\Unique1.txt"
 foreach ($Unique in $Uniques) 
 {
 	$Users = Import-Csv "C:\temp\PowerShell\HR_extract.csv"
		foreach ($User in $Users)
	{
 
		if ($Unique.employeeid -contains $User.EMPLID)
			{
				$DataArray += $User
			}
	} 
} 
 
$DataArray | Export-Csv c:\temp\PowerShell\inputforscript.csv -noTypeInformation -ErrorAction SilentlyContinue
Get-Date

                                              
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by: Chris-DentPosted on 2009-09-09 at 03:06:03ID: 25289621


Export-CSV will always overwrite. There is no Append option.

Is this what you're after?

It takes each of the unique employeeID values and matches them up to lines from HRData. Then writes the line from HRData out to the CSV file.

Did you need it to add in any fields from the User (formerly $Unique)?

Chris

$HRData = Import-Csv .\HRData1.csv
 
Get-QADUser -SizeLimit 0 -LdapFilter "(EmployeeID=*)" -IncludedProperties EmployeeID | `
  Select-Object EmployeeID | Group-Object EmployeeID | ?{ $_.Count -eq 1 } | `
  Select-Object -Expand Group | %{
     $EmployeeID = $_.EmployeeID
 
     # Match to HRData
     $MatchByEmpID = $HRData | ?{ $_.EMPLID -Like $EmployeeID }
 
     # If a match was found echo the details of the match for the pipeline
     If ($MatchByEmpID) { $MatchByEmpID }
  } | Export-CSV "c:\temp\PowerShell\inputforscript.csv"

                                              
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by: pubeheedPosted on 2009-09-09 at 04:44:53ID: 31626337

Superb Chirs!! Thanks again mate

20120131-EE-VQP-002

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