PowerShell - Get folder sizes by UNC

Save as a .ps1 or paste, enter UNC share OR Drive$ by \\server\drive$ name to get all folder sizes recursive, outputs to C:\temp\ServerShareSizesDiscovered.csv

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$folder = '\\servername\sharename'

$DirUseArray = @()

# Get a list of first level sub-folders

$firstLevel = Get-ChildItem $folder -directory

$firstLevel | foreach {

Echo "Reading $_"

# Read the size of this folder and all its sub folders.

$size = (Get-ChildItem $folder\$_\* -recurse) | measure-object -property length -sum | Select-Object -expand sum

# Convert from Bytes to GiB and round to 2 decimal places

$size = [math]::Round($(0 + $size /1GB),2)

Echo $size

# Add to an array

$DirUseArray += New-Object PsObject -property @{

'Folder' = $_

'Size (GB)' = $size

}

}

$DirUseArray | Export-Csv -path C:\temp\ServerShareSizesDiscovered.csv -NoTypeInformation

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