Create random folder/files structure

random-file-generator.ps1

param (
    [string]$rootPath = (Get-Location).Path,
    [int]$maxDepth = 3,
    [int]$maxFoldersPerLevel = 4,
    [int]$maxFilesPerFolder = 5
)

function New-RandomDirectoryStructure {
    param (
        [string]$rootPath,
        [int]$maxDepth,
        [int]$maxFoldersPerLevel,
        [int]$maxFilesPerFolder,
        [int]$currentDepth = 0
    )

    if ($currentDepth -ge $maxDepth) {
        return
    }

    if (-not (Test-Path $rootPath)) {
        New-Item -ItemType Directory -Path $rootPath | Out-Null
    }

    1..(Get-Random -Minimum 1 -Maximum $maxFoldersPerLevel) | ForEach-Object {
        $newDirName = Get-RandomString -length 5
        $newDirPath = Join-Path $rootPath $newDirName
        New-Item -ItemType Directory -Path $newDirPath | Out-Null

        1..(Get-Random -Minimum 1 -Maximum $maxFilesPerFolder) | ForEach-Object {
            $newFileName = Get-RandomString -length 5 + ".txt"
            $newFilePath = Join-Path $newDirPath $newFileName
            "Sample content: $(Get-RandomString -length 20)" | Out-File -FilePath $newFilePath
        }

        New-RandomDirectoryStructure -rootPath $newDirPath -maxDepth $maxDepth -maxFoldersPerLevel $maxFoldersPerLevel -maxFilesPerFolder $maxFilesPerFolder -currentDepth ($currentDepth + 1)
    }
}

function Get-RandomString {
    param (
        [int]$length = 10
    )

    $chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
    $randomString = -join ((1..$length) | ForEach-Object { Get-Random -InputObject $chars.ToCharArray() })
    return $randomString
}

New-RandomDirectoryStructure -rootPath $rootPath -maxDepth $maxDepth -maxFoldersPerLevel $maxFoldersPerLevel -maxFilesPerFolder $maxFilesPerFolder