PowerShell/Docs/list-dir-tree.md

The list-dir-tree.ps1 Script

This PowerShell script lists all files and folders in a directory tree.

Parameters

list-dir-tree.ps1 [[-DirTree] <String>] [<CommonParameters>]

-DirTree <String>
    Specifies the path to the directory tree
    
    Required?                    false
    Position?                    1
    Default value                "$PWD"
    Accept pipeline input?       false
    Accept wildcard characters?  false

[<CommonParameters>]
    This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, 
    WarningVariable, OutBuffer, PipelineVariable, and OutVariable.

Example

PS> ./list-dir-tree C:\

Notes

Author: Markus Fleschutz | License: CC0

Related Links

https://github.com/fleschutz/PowerShell

Source Code

<#
.SYNOPSIS
	Lists the directory tree content
.DESCRIPTION
	This PowerShell script lists all files and folders in a directory tree.
.PARAMETER DirTree
	Specifies the path to the directory tree
.EXAMPLE
	PS> ./list-dir-tree C:\
.LINK
	https://github.com/fleschutz/PowerShell
.NOTES
	Author: Markus Fleschutz | License: CC0
#>

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

function ListDir { param([string]$Directory, [int]$Depth)
	$Depth++
	$Items = Get-ChildItem -path $Directory
	foreach($Item in $Items) {
		$Filename = $Item.Name
		for ($i = 1; $i -lt $Depth; $i++) { Write-Host "│  " -noNewline }
		if ($Item.Mode -like "d*") {
			Write-Host "├─" -noNewline
			Write-Host -foregroundColor green "📂$Filename"
			ListDir "$Directory\$Filename" $Depth
			$global:Dirs++
		} else {
			Write-Host "├ $Filename ($($Item.Length) bytes)"
			$global:Files++
			$global:Bytes += $Item.Length
		}
	}
}

try {
	[int]$global:Dirs = 1
	[int]$global:Files = 0
	[int]$global:Bytes = 0
	ListDir $DirTree 0
	"($($global:Dirs) folders, $($global:Files) files, $($global:Bytes) bytes total)"
	exit 0 # success
} catch {
	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
	exit 1
}

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