Chapters/scripting-at-scale/getfoldersize.ps1
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Function Get-FolderSize { [cmdletbinding()] Param( [Parameter( Position = 0, ValueFromPipeline, ValueFromPipelineByPropertyName )] [ValidateNotNullorEmpty()] [string]$Path = $env:temp ) Begin { Write-Verbose "[BEGIN ] Starting: $($MyInvocation.Mycommand)" } #begin Process { Write-Verbose "[PROCESS] Analyzing: $path" #define hash table of parameter values for Write-Progress $progParam = @{ Activity = $MyInvocation.MyCommand Status = "Querying top level folders" CurrentOperation = $path PercentComplete = 0 } Write-Progress @progParam Write-Verbose "[PROCESS] Get top level folders" $top = Get-ChildItem -Path $path -Directory #sleeping enough to see the first part of Write-Progress Start-Sleep -Milliseconds 300 #initialize a counter $i = 0 #get the number of files and their total size for each #top level folder foreach ($folder in $top) { #calculate percentage complete $i++ [int]$pct = ($i/$top.count)*100 #update the param hashtable $progParam.CurrentOperation = "Measuring folder size: $($folder.Name)" $progParam.Status = "Analyzing" $progParam.PercentComplete = $pct Write-Progress @progParam Write-Verbose "[PROCESS] Calculating folder statistics for $($folder.name)." $stats = Get-ChildItem -path $folder.fullname -Recurse -File | Measure-Object -Property Length -Sum -Average if ($stats.count) { $fileCount = $stats.count $size = $stats.sum } else { $fileCount = 0 $size = 0 } #write a custom object result to the pipeline [pscustomobject]@{ Path = $folder.fullName Modified = $folder.LastWriteTime Files = $fileCount Size = $Size SizeKB = [math]::Round($size/1KB, 2) SizeMB = [math]::Round($size/1MB, 2) Avg = [math]::Round($stats.average, 2) } } #foreach } #process End { Write-Verbose "[END ] Ending: $($MyInvocation.Mycommand)" } #end } |