Question

我正在尝试根据创建日期将旧文件移动到文件夹中。设置是脚本应检查文件夹中是否存在5年以上的文件，然后将其放入按年份排序的文件夹中，每个月都有子文件夹。

$SourceDir = "C:\Test"
$DestinationDir = "C:\Archive\Test\"
$limit = (Get-Date).AddYears(-5)

$files = Get-ChildItem $SourceDir * | Where-Object {
    !$_.PSIsContainer -and $_.CreationTime -lt $limit
}

foreach ($file in $files) {
    $Directory = $DestinationDir + "" + $file.CreationTime.Date.ToString('yyyy') + "\" + $file.CreationTime.Date.ToString('MM-MMM')

    if (!(Test-Path $Directory)) {
        New-Item $directory -Type Directory
    }
    Move-Item $file.FullName $Directory

我收到此错误

PS C:\Scripts> .\SortIntoMonths5Year.ps1
You cannot call a method on a null-valued expression.
At C:\Scripts\SortIntoMonths5Year.ps1:11 char:69
+ $Directory = $DestinationDir + "" + $file.CreationTime.Date.ToString <<<< ('yyyy') + "\" + $file.CreationTime.Date.ToString('MM-MMM')
    + CategoryInfo          : InvalidOperation: (ToString:String) [], RuntimeException
    + FullyQualifiedErrorId : InvokeMethodOnNull

Test-Path : Cannot bind argument to parameter 'Path' because it is null.
At C:\Scripts\SortIntoMonths5Year.ps1:13 char:16
+ if (!(Test-Path <<<<  $Directory))
    + CategoryInfo          : InvalidData: (:) [Test-Path], ParameterBindingValidationException
    + FullyQualifiedErrorId : ParameterArgumentValidationErrorNullNotAllowed,Microsoft.PowerShell.Commands.TestPathCommand

Move-Item : Cannot bind argument to parameter 'Path' because it is null.
At C:\Scripts\SortIntoMonths5Year.ps1:17 char:10
+ Move-Item <<<<  $file.FullName $Directory
    + CategoryInfo          : InvalidData: (:) [Move-Item], ParameterBindingValidationException
    + FullyQualifiedErrorId : ParameterArgumentValidationErrorNullNotAllowed,Microsoft.PowerShell.Commands.MoveItemCommand

Answer 1

自己修复

$SourceDir = "C:\Test"
$DestinationDir = "C:\Archive\Test\"

$files = get-childitem $SourceDir * | Where-Object {$_.LastWriteTime -lt (Get-Date).AddYears(-5)}
#$files = get-childitem $SourceDir *

foreach ($file in $files) 

{

$Directory = $DestinationDir + "" + $file.LastWriteTime.Date.ToString('yyyy') + "\" + $file.LastWriteTime.Date.ToString('MM-MMM')

if (!(Test-Path $Directory))
{
New-Item $directory -type directory
}
Move-Item $file.fullname $Directory 
}

将文件早于子文件夹移动

1 个答案: