參數綁定

Question

我正在嘗試創建一個PowerShell腳本，它將一定年齡的XML文件移動到要歸檔的網絡驅動器中。該腳本迄今：

$qaprocessedpath = "Y:\SFTPSHARE\SFTPYMSQ\YS42C1Processed" 
$qabackup = 「\\servername\S$\xmlbackup\qa" 

$max_age_qa = "-1" 
$curr_date = Get-Date 
$del_date_q = $curr_date.AddDays($max_age_qa) 

Get-ChildItem -include *.xml $qaprocessedpath | Where-Object {$_.LastWriteTime -lt $del_date_q } | Foreach-Object {Copy-Item -Path $_.FullName -Destination $qabackup} {Remove-Item $_.FullName} 

此代碼將導致以下錯誤：

Copy-Item : Cannot bind argument to parameter 'Path' because it is null. 
At Y:\SFTPSHARE\SFTPYMSP\XMLBackup.ps1:52 char:132 
+ Get-ChildItem -include *.xml $qaprocessedpath | Where-Object { $_.LastWriteTime -lt $del_date_q } | Foreach-Object {Copy-Item -Path <<<< $_.FullName -Destination $qabackup} {Remove-Item $_.FullName} 
    + CategoryInfo   : InvalidData: (:) [Copy-Item], ParameterBindingValidationException 
    + FullyQualifiedErrorId : ParameterArgumentValidationErrorNullNotAllowed,Microsoft.PowerShell.Commands.CopyItemCommand 

不知道在哪裏的問題。我是一個新手編劇，所以我敢肯定，這東西很明顯...

Answer 1

在這一行

Get-ChildItem -include *.xml $qaprocessedpath | Where-Object {$_.LastWriteTime -lt $del_date_q } | Foreach-Object {Copy-Item -Path $_.FullName -Destination $qabackup} {Remove-Item $_.FullName} 

爲什麼你有以下的Foreach-Object 2個scriptblocks？

嘗試用分號（在同一個腳本塊中）將copy-item和remove-item分開，如果您希望它們都運行。正如你寫的，這兩個腳本塊綁定到參數-Process（如往常）和-Begin參數。