从字节转换为GB或MB不会返回任何内容

时间:2017-08-23 13:10:41

标签: powershell byte megabyte

我得到了这段代码,它返回字节数:

$size = Get-ChildItem $userAccount.homeDirectory -Recurse | Measure-Object -Property Length -Sum

这样可以正常工作,但不是非常用户友好,所以我想转换为兆字节或千兆字节。

在使用Google搜索并查看示例后,我尝试过这样做:

$size = "{0:N2}" -f ((Get-ChildItem $userAccount.homeDirectory -Recurse | Measure-Object -Property Length -Sum).Sum / 1MB)

但是,PowerShell不返回任何内容。

知道为什么吗?

编辑:发布完整代码。

功能:

Function Get-ADHomeDirectorySize
{
Param
(
    [Parameter(ValueFromPipeline=$true,Mandatory=$true)]
    [Microsoft.ActiveDirectory.Management.ADUser]$User
)
Begin
{
    $HomeD = @()
    $size = $nul
}
Process
{
    ForEach($userAccount in  $User)
    {
        $userAccount = Get-ADUser $userAccount -properties homeDirectory
        $size = "{0:N2}" -f ((Get-ChildItem $userAccount.homeDirectory -Recurse | Measure-Object -Property Length -Sum).Sum / 1MB)
        If($userAccount.homeDirectory -eq $nul)
        {
            Write-Host "`nERROR -- User: $userAccount has no Home Directory`n" -foregroundcolor red
            Return
        }
        $obj = New-Object System.Object
        $obj | add-member -type NoteProperty -name User -value $userAccount.Name
        $obj | add-member -type NoteProperty -name HomeDirectory -value $userAccount.homeDirectory
        $obj | add-member -type NoteProperty -name HomeDirectorySize -value $size.sum
        $HomeD += $obj

    }
}
End
{
    $HomeD
}
}

根据用户ID的输入列表生成报告的脚本:

Get-Content brukerlistetest.txt | Foreach-Object {Get-ADUser $_  -properties homeDirectory | ? {$_.homeDirectory -ne $nul} | Get-ADHomeDirectorySize | sort HomeDirectorySize | Format-Table -HideTableHeaders | out-file output.txt -width 120 -append}

1 个答案:

答案 0 :(得分:1)

您可以在第一个示例中执行数学运算:

$size = (Get-ChildItem $userAccount.homeDirectory -Recurse | Measure-Object -Property Length -Sum) / 1MB # or / 1GB

PowerShell具有定义字节的常量。

如果您希望它是一个字符串,您可以使用字符串子表达式:

$size = "$((GCI $userAccount.homeDirectory -Recurse | Measure Length -Sum) / 1MB)MB"