Scripting Games 2012 Advanced Event 4

Advanced Event 4:


function HumanReadSize
{
    Param ([long]$Size)
if ($Size -ge 1Gb )
{
return ("{0:N2}" -f ($Size / 1Gb) + " GigaBytes")
}
elseif ($Size -ge 1Mb )
{
return ("{0:N2}" -f ($Size / 1Mb ) + " MegaBytes")
}
elseif ($Size -ge 1Kb )
{
return ("{0:N2}" -f ($Size / 1Kb ) + " KiloBytes")
}
elseif (($Size -ge 0 ) -and ($Size -lt 1Kb))
{
return ("{0:N0}" -f ($Size) + " Bytes")
}
}

function Get-FolderSize {
<#
.SYNOPSIS
    This script reports information about folder space.
.DESCRIPTION
    This script reports information about folder space.
.LINK
    http://blogs.technet.com/b/heyscriptingguy/archive/2012/04/05/the-2012-scripting-games-advanced-event-4-determine-folder-space.aspx 
.PARAMETER Path
    Path of the root folder.
.EXAMPLE
    "c:\windows"| get-foldersize 
.EXAMPLE
    get-foldersize "c:\windows" | Sort-Object Folder
#>

[CmdletBinding()]
param([Parameter(Mandatory = $true, ValueFromPipeline = $true)][string]$path)

BEGIN {}

PROCESS {
if (!(test-path $path))
{
Write-Output "Folder does not exist"
return
}
$f=@()
    #Calculating the root folder size
     $rootItems = (Get-ChildItem $path -recurse -Force | Measure-Object -property length -sum)
     $sumroot = HumanReadSize $rootItems.sum
    
        $obj  = New-Object -TypeName PSObject
        $obj | Add-Member -MemberType NoteProperty -Name Folder -Value $path
        $obj | Add-Member -MemberType NoteProperty -Name "Size of Folder" -value $sumroot
        $f +=$obj
    #Calculating the root subfolders size
$colItems = (Get-ChildItem $path -recurse | Where-Object {$_.PSIsContainer -eq $True} )
foreach ($i in $colItems)
    {
        $subFolItems = (Get-ChildItem $i.FullName -recurse -Force | Measure-Object -property length -sum)
        $sumsubfol = HumanReadSize $subFolItems.sum
     
        $obj  = New-Object -TypeName PSObject
        $obj | Add-Member -MemberType NoteProperty -Name Folder -Value $i.FullName
        $obj | Add-Member -MemberType NoteProperty -Name "Size of Folder" -value $sumsubfol
        $f +=$obj
    }
   
           Write-Output $f
}
END {}
}