List-DirTree

Lists a directory tree

Script

param([string]$path = "$PWD")

function GetFileIcon([string]$suffix) {
	switch ($suffix) {
	".csv"	{return "??"}
	".epub"	{return "??"}
	".exe"  {return "??"}
	".gif"	{return "??"}
	".iso"	{return "??"}
	".jpg"	{return "??"}
	".mp3"	{return "??"}
	".mkv"	{return "??"}
	".png"	{return "??"}
	".rar"  {return "??"}
	".tar"  {return "??"}
	".zip"  {return "??"}
	default {return "??"}
	}
}

function Bytes2String([int64]$bytes) {
	if ($bytes -lt 1000) { return "$bytes bytes" }
	$bytes /= 1000
	if ($bytes -lt 1000) { return "$($bytes)K" }
	$bytes /= 1000
        if ($bytes -lt 1000) { return "$($bytes)MB" }
        $bytes /= 1000
        if ($bytes -lt 1000) { return "$($bytes)GB" }
        $bytes /= 1000
	return "$($Bytes)TB"
}

function ListDir([string]$path, [int]$depth) {
	$items = Get-ChildItem -path $path
	foreach($item in $items) {
		Write-Host "  " -noNewline
		for ([int]$i = 1; $i -lt $depth; $i++) { Write-Host "?  " -noNewline }
		if ($item.Mode -like "d*") {
			Write-Host "???$($item.Name)"
			ListDir "$path\$($item.Name)" ($depth + 1)
		} else {
			Write-Host "?$(GetFileIcon $item.Extension)$($item.Name) ($(Bytes2String $item.Length))"
			$global:files++
			$global:bytes += $item.Length
		}
	}
	$global:folders++
	if ($depth -gt $global:depth) { $global:depth = $depth }
}

try {
	Write-Host "`n ??$path"
	[int64]$global:files = $global:folders = $global:depth = $global:bytes = 0
	ListDir $path 1
	"     ($($global:files) files, $($global:folders) folders, depth $($global:depth), $(Bytes2String $global:bytes) total)"
	exit 0 # success
} catch {
	"?? ERROR: $($Error[0]) (script line $($_.InvocationInfo.ScriptLineNumber))"
	exit 1
}

Customize

path string

Specifies the file path to the directory tree