Powershell - Retrieve folder size for each folders in the output (Length Property).

[Abdullah_Shurjeel]

My requirement is to retrieve all files from a directory when provided as an input to a certain folder level with the following properties: Name, FullName, Length, LastWriteTime.

Current code:

$Directory = 'Input'

Get-ChildItem -Path $Directory -Recurse -Depth 2 |
Select-Object Name, FullName, Length, LastWriteTime |

Where-Object {$_.Name -like "*.extension" -or $_.Name -like "*.extension" -or $_.Name -like "extension*"} |
Sort-Object -Property FullName |

Format-Table Name, FullName, Length, LastWriteTime

Current Output:

Name             FullName                            Length      LastWriteTime
-----------      ---------------------------      ---------     --------------------
Vol001.zip      C:\Users\ABC\Vol001.zip      100            11/09/2020 11:40:37
Vol002.zip      C:\Users\ABC\Vol002.zip      100            11/09/2020 11:40:37
XY_Vol001      C:\Users\XY_Vol001\                              11/09/2020 11:40:47
XY_Vol002      C:\Users\XY_Vol002\                              11/09/2020 11:41:30

I would like the folder size to be provided instead of blank values in Length property field.

I have tried the below by adding

"@{ n = 'Length'; e = {("{0:N8}" -f ((Get-ChildItem -path 'Input' -recurse | Measure-Object -property length -sum ).sum /1MB) + " MB")}}"

like mentioned below:

$Directory = 'Input'

Get-ChildItem -Path $Directory -Recurse -Depth 2 |

Select-Object Name, FullName, Length, LastWriteTime,
@{ n = 'Length'; e = {("{0:N8}" -f ((Get-ChildItem -path 'Input' -recurse | Measure-Object -property length -sum ).sum /1MB) + " MB")}} |

Where-Object {$_.Name -like "*.extension" -or $_.Name -like "*.extension" -or $_.Name -like "extension*"} |
Format-Table Name, FullName, Length, LastWriteTime

But it is giving parent folder size for all the rows instead of giving their individual sizes.

My guess it would require looping. 

Thanks!

[#2]

@Abdullah_Shurjeel how about this:

$Directory = 'Input'
#Collect a list of all the files and folders
$FilesAndFolders =Get-ChildItem -Path $Directory -Recurse -Depth 2 
#Loop through the files and folders
Foreach ($FileOrFolder in $FilesAndFolders) {
    if ($FileOrFolder.Attributes -contains "Directory") {
        #This is a folder - calculate the total folder size
        $Length= (Get-ChildItem $FileOrFolder -Recurse | Measure-Object -Sum Length).Sum
        $FileOrFolder | Select-Object Name, FullName, @{Name="Length"; Expression={$Length}}, LastWriteTime
    } else {
        #This is a file
        $FileOrFolder | Select-Object Name, FullName, Length, LastWriteTime
    }
}

[#3]

@Chris Bradshaw 

I am getting the below error:

Measure-Object : The property "Length" cannot be found in the input for any objects.
At line:8 char:58
+ ... et-ChildItem $FileOrFolder -Recurse | Measure-Object -Sum Length).Sum
+                                           ~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidArgument: (:) [Measure-Object], PSArgumentException
    + FullyQualifiedErrorId : GenericMeasurePropertyNotFound,Microsoft.PowerShell.Commands.MeasureObjectCommand

[#4 · Accepted solution]

@Abdullah_Shurjeel It looks like Measure-Object Windows PowerShell is behaving slightly differently to PSCore. I've changed the $Length= .... line to the following which appears to be working as expected.

$Length= (Get-ChildItem $FileOrFolder.FullName -Recurse | Where-Object {$_.Attributes -notcontains "Directory"} | Measure-Object -Sum -Property Length).Sum

[#5]

Thanks Chris for the response.
The code is working now.