Chapter4/4.6_AdvancedFunctions/DirectorySize_Help.ps1
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function Get-DirectorySize { <# .SYNOPSIS コマンドの概要 .DESCRIPTION コマンドの詳細 .EXAMPLE 実行例 .EXAMPLE ./ | Get-DirectorySize -OverSize 1000 .PARAMETER LiteralPathか パラメーターの名前や解説 .PARAMETER OverSize ディレクトリのサイズを指定して出力時に大きったか判定します .LINK https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_functions?view=powershell-6 #> [CmdletBinding()] param( [parameter(Mandatory = $true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)] [ValidateNotNullOrEmpty()] [string[]]$LiteralPath, [parameter(ValueFromPipelineByPropertyName = $true)] [int]$OverSize, [parameter(ValueFromPipelineByPropertyName = $true)] [int]$MinSize ) process { foreach ($path in $LiteralPath) { $measure = Get-ChildItem -LiteralPath $path -Recurse -Force -File | Measure-Object -Sum Length $output = [pscustomobject]@{ Path = $path FileCount = $measure.Count Sum = $measure.Sum OverSize = $measure.Sum -ge $OverSize MinSize = $measure.Sum -le $MinSize } Write-Output $output } } } |