PowerShell-向数组添加列

发布于 2024-12-10 14:20:50 字数 955 浏览 0 评论 0原文

假设您正在做这样的事情：

$partitions = get-wmiobject -query "Associators of {Win32_DiskDrive.DeviceID=""$DevID""} WHERE AssocClass = Win32_DiskDriveToDiskPartition" -computer $ComputerName

如果您想获取每个磁盘（“C:”）的磁盘标题，您需要这样的东西：

function GetDiskCaption {
   param ($Partition, $ComputerName)

    $DeviceID = $Partition.DeviceID
    $colLogicalDisk = get-wmiobject -query "Associators of {Win32_DiskPartition.DeviceID=""$DeviceID""} WHERE AssocClass = Win32_LogicalDiskToPartition" -computer $ComputerName

   If ($colLogicalDisk.Caption -ne $null) {
      return $colLogicalDisk.Caption
   }
   Else {
       return "UNASSIGNED"
   }
}

我不是一个非常高级的 PowerShell 用户，所以问题是：将磁盘标题添加到阵列以便可以将其通过管道传输到 ft 或其他脚本中的最佳 PowerShell 方法是什么？

现在我意识到我可以只做一个 foreach 循环来打印出来，但我想弄清楚如何用额外的列扩展数组，以便我可以使用管道运算符来格式化数组。

微软网站上关于数组处理的示例都是基于一维数组的，因此添加数组似乎不是答案。

我专门尝试编写一个脚本来转储磁盘列表，及其 iSCSI 映射（如果有）以及该磁盘上的各个分区。

原文

Let’s say you're doing something like this:

$partitions = get-wmiobject -query "Associators of {Win32_DiskDrive.DeviceID=""$DevID""} WHERE AssocClass = Win32_DiskDriveToDiskPartition" -computer $ComputerName

If you then want to get the disk caption for each disk (the 'C:') you need something like this:

function GetDiskCaption {
   param ($Partition, $ComputerName)

    $DeviceID = $Partition.DeviceID
    $colLogicalDisk = get-wmiobject -query "Associators of {Win32_DiskPartition.DeviceID=""$DeviceID""} WHERE AssocClass = Win32_LogicalDiskToPartition" -computer $ComputerName

   If ($colLogicalDisk.Caption -ne $null) {
      return $colLogicalDisk.Caption
   }
   Else {
       return "UNASSIGNED"
   }
}

I'm not a very advanced PowerShell user, so the question is: What's the best PowerShell way to add the disk caption to the array so that can pipe it into, say, ft or some other script?

Now I realise I can just do a foreach loop to print this out, but I want to work out how to extend an array with extra columns so that I can then use piping operators to, say, format the array.

The examples on the Microsoft site on array handling are all based on one-dimensional arrays, so adding arrays does not seem to be the answer.

I'm specifically trying to write a script to dump out the list of disks, with their iSCSI mapping (if any) and the various partitions on that disk.

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夜灵血窟げ 2024-12-17 14:20:50

您可以使用哈希表（关联数组）：

$hash = @{}
$partitions | %{ $caption = GetDiskCaption $_ $computername; $hash[$caption]=$_ }
$hash

或者创建对象：

$combined = $partitions | %{ $caption = GetDiskCaption $_ $computername
                $obj = new-object psobject
                $obj | add-member -name caption -type noteproperty -value $caption
                $obj | add-member -name partition -type noteproperty -value $_
                $obj
            }

You can either use a hashtable (associative array):

$hash = @{}
$partitions | %{ $caption = GetDiskCaption $_ $computername; $hash[$caption]=$_ }
$hash

Or create objects:

$combined = $partitions | %{ $caption = GetDiskCaption $_ $computername
                $obj = new-object psobject
                $obj | add-member -name caption -type noteproperty -value $caption
                $obj | add-member -name partition -type noteproperty -value $_
                $obj
            }

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