Powershell Recursive

Get-FolderHierarchy.ps1

<#
    .SYNOPSIS 
    .DESCRIPTION
    .PARAMETER base_path
    .PARAMETER max_depth
    .PARAMETER depth
    .EXAMPLE
        Get-FolderHierarchy "C:\Windows"

    .EXAMPLE
        Get-FolderHierarchy "C:\Windows" 3

    .EXAMPLE
        Get-FolderHierarchy "C:\Windows" 3 0

    .LINK
    .NOTES
#>
param (
[string]$base_folder_path,
[int]$max_depth=0,
[int]$depth = 0
)

# 再帰的にフォルダ構成を調べて、フォルダ名をリストアップする。
# フォルダ階層の深さに合わせてインデントする
function SearchFolders([string]$base_path,[int]$max_depth,[int]$depth)
{
    if( $max_depth -ne 0 )
    {
        if( $depth -ge $max_depth )
        {
            return;
        }
    }
    $search = $base_path + "\*"

    $folders = Get-ChildItem $search -Directory -Name

    foreach ($folder in $folders )
    {
        $space = ' '
        $padding = $space.PadLeft( $depth * 4, ' ')

        Write-Output "$padding + $folder"

        $child_path = $base_path + "\" + $folder

       SearchFolders  $child_path $max_depth ($depth + 1)
    }
}

SearchFolders $base_folder_path $max_depth $depth  

log.txt

> .\Get-FolderHierarchy.ps1 "C:\users\ユーザー名\Music" 3

  + iTunes
     + Album Artwork
         + Cache
         + Cloud Purchases
         + Download
     + iTunes Media
         + Downloads
         + iTunes に自動的に追加
         + Music
         + Podcasts