Folder sizes

Question on the forums related to folder sizes and last write time

Get-ChildItem -Path "C:\PersonalData\MyBooks\PowerShell and WMI" -Recurse |             
where { $_.PSIsContainer} |            
foreach {            
 $size = Get-ChildItem -Path $_.FullName | measure -Sum Length | select -ExpandProperty Sum            
 Add-Member -InputObject $($_) -MemberType NoteProperty -Name Size -Value $size            
 $_ | select Fullname, LastWriteTime, @{N="Size(MB)"; E={[math]::Round(($_.Size/1mb), 2)}}            
} | Format-Table -AutoSize -Wrap

Unfortunately the object returned by get-ChildItem doesn’t include folder size. So we loop through each folder & get the sum of its contents. The size value is added to the folder object and Fullname, LastwriteTime and size displayed.  The size is recalculated to megabytes. Substitute your favourite size

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