如何通过Powershell从Teams导出的csv文件中获取samAccountName

How to get the samAccountName from a csv file exported from Teams via powershell

我已经从Microsoft Teams导出了CSV文件，并在运行以下命令后获得了所需的数据：

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Import-Csv -Path"C:\\TeamsUserActivity.csv" |
Where-Object { $PSItem.DisplayName -notlike"*-*" } |
Select-Object -Property DisplayName,'LastActivity (UTC Time)' |
Sort-Object -Property 'LastActivity (UTC Time)' -Descending |
Export-Csv -Path"C:\\TeamsUsers.csv"

这将显示以下内容：

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DisplayName LastActivity (UTC Time)
----------- -----------------------
Tom Smith 2020-04-16T01:00:47Z
Joe Bloggs 2020-04-16T01:00:47Z
Harry Briggs 2020-04-16T01:00:47Z
Jeff Kerry 2020-04-16T01:00:47Z
Jane Briggs 2020-04-15T23:17:29Z
Betty Smith 2020-04-06T02:56:51Z

我需要删除" LastActivity(UTC Time)"下的第一个日期以下的记录
以下任何内容：2020-04-16
然后在Active Directory上运行Get-ADUser命令以获取每个记录的samAccountName并将其放入第三列。

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DisplayName LastActivity (UTC Time) UserID
----------- ----------------------- ------
Tom Smith 2020-04-16T01:00:47Z tsmith
Joe Bloggs 2020-04-16T01:00:47Z jbloggs
Harry Briggs 2020-04-16T01:00:47Z hbloggs
Jeff Kerry 2020-04-16T01:00:47Z jkerry

曾经测试过从ActiveDirectory到Get-ADUser的一整套方法以返回samaccountname，当我使用静态文本时，该方法仅适用于一条记录

1	Get-ADUser -filter { DisplayName -eq 'Tom Smith' } \| Select samAccountName

当我导入csv文件并为每一行运行一个foreach循环时，不是这样。
我测试过的代码应该返回以下内容：

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$in_file ="C:\\PS\\SessionData\\sessionTMSct.csv"
$out_file ="C:\\PS\\SessionData\\sessionTMSctout.csv"

$out_data = @()

ForEach ($row in (Import-Csv $in_file)) {
If ($row.DisplayName) {
$out_data += Get-ADUser $row.DisplayName -Properties samAccountName
}
}

$out_data |
Select DisplayName,'LastActivity (UTC Time)',SamAccountName |
Export-Csv -Path $out_file -NoTypeInformation

以以下错误结尾，前一行：

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Get-ADUser : The term 'Get-ADUser' is not recognized as the name of a cmdlet, function, script file, or operable program. Check the spelling of the name, or if a path was included, verify that the path is correct and try again.
At line:8 char:22
+ $out_data += Get-ADUser $row.DisplayName -Properties samAccou ...
+ ~~~~~~~~~~
+ CategoryInfo : ObjectNotFound: (Get-ADUser:String) [], CommandNotFoundException
+ FullyQualifiedErrorId : CommandNotFoundException