Export-csv not capturing all the results

Hello All,

I got the below script from Expert Exchange, i did some edit according to my output. The issue is , when i remove the export-csv it displays members and group members correctly. But when i include the export-csv command, its updating only the last results(i.e, last group and members).

$DLList = get-distributiongroup
foreach ($DL in $DLList){
get-distributiongroupmember -identity $DL.identity | Select name, @{name='Group';expression={($DL.Name)}} | Export-csv

C:\temp\Combine\dlresult.csv
}

Can anyone please help me to get all the output in export-csv?

Thanks
Krish
LVL 7
krish5musicAsked:
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Alex GreenProject Systems EngineerCommented:
You need the -append


 $DLList = get-distributiongroup
 foreach ($DL in $DLList){
 get-distributiongroupmember -identity $DL.identity | Select name, @{name='Group';expression={($DL.Name)}} | Export-csv C:\temp\Combine\dlresult.csv -append
 }


When you run a Foreach function, it sees each object within your Foreach as a separate command, thus, you need to append the file otherwise it'll overwrite it.
oBdACommented:
-Append to a csv inside a loop is not really the best solution, as it requires PS in each loop iteration to open the file, check if the columns in the file match the  properties in the current object, append to the file, close the file. Lather, rinse, repeat.
Use the ForEach-Object cmdlet instead of the ForEach statement (and -NoTypeInformation for Export.Csv):
Get-DistributionGroup | ForEach-Object {
	$dg = $_
	Get-DistributionGroupMember -Identity $dg.Identity | Select-Object -Property Name, @{name='Group'; expression={($dg.Name)}}
} | Export-Csv -NoTypeInformation -Path 'C:\temp\Combine\dlresult.csv'

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krish5musicAuthor Commented:
Thanks a lot OBDA. Its really does what i expect.
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