Folders with more than 40.000 files - powershell

Question

I have this script I received to check folders and subfolders on a network drive. I wonder how it could be modified into checking only folders and subfolder and write in the CSV if there is any folder with more then 40.000 files in it and the number of files. The image show a sample output from the script as it is now and I do not need it to show any files as it currently do.
$dir = "D:\test"
$results = #()
gci $dir -Recurse -Depth 1 | % {
$temp = [ordered]#{
NAME = $_
SIZE = "{0:N2} MB" -f ((gci $_.Fullname -Recurse | measure -Property Length -Sum -ErrorAction SilentlyContinue).Sum / 1MB)
FILE_COUNT = (gci -File $_.FullName -Recurse | measure | select -ExpandProperty Count)
FOLDER_COUNT = (gci -Directory $_.FullName -Recurse | measure | select -ExpandProperty Count)
DIRECTORY_PATH = $_.Fullname
}
$results += New-Object PSObject -Property $temp
}
$results | export-csv -Path "C:\temp\output.csv" -NoTypeInformation

Answer 1

Instead of executing so many Get-ChildItem cmdlets, here's an approach that uses robocopy to do the heavy lifting of counting the number of files, folders and total sizes:
# set the rootfolder to search
$dir = 'D:\test'
# switches for robocopy
$roboSwitches = '/L','/E','/NJH','/BYTES','/NC','/NP','/NFL','/XJ','/R:0','/W:0','/MT:16'
# regex to parse the output from robocopy
$regEx = '\s*Total\s*Copied\s*Skipped\s*Mismatch\s*FAILED\s*Extras' +
'\s*Dirs\s*:\s*(?<DirCount>\d+)(?:\s+\d+){3}\s+(?<DirFailed>\d+)\s+\d+' +
'\s*Files\s*:\s*(?<FileCount>\d+)(?:\s+\d+){3}\s+(?<FileFailed>\d+)\s+\d+' +
'\s*Bytes\s*:\s*(?<ByteCount>\d+)(?:\s+\d+){3}\s+(?<BytesFailed>\d+)\s+\d+'
# loop through the directories directly under $dir
$result = Get-ChildItem -Path $dir -Directory | ForEach-Object {
$path = $_.FullName # or if you like $_.Name
$summary = (robocopy.exe $_.FullName NULL $roboSwitches | Select-Object -Last 8) -join [Environment]::NewLine
if ($summary -match $regEx) {
$numFiles = [int64] $Matches['FileCount']
if ($numFiles -gt 40000) {
[PsCustomObject]#{
PATH = $path
SIZE = [int64] $Matches['ByteCount']
FILE_COUNT = [int64] $Matches['FileCount']
FOLDER_COUNT = [int64] $Matches['DirCount']
}
}
}
else {
Write-Warning -Message "Path '$path' output from robocopy was in an unexpected format."
}
}
# output on screen
$result | Format-Table -AutoSize
# output to CSV file
$result | Export-Csv -Path "C:\temp\output.csv" -NoTypeInformation