functions/Get-DirectoryInfo.ps1
|
Class DirectoryStat { [string]$Name [string]$Path [int64]$FileCount [int64]$FileSize [string]$Parent [string]$Computername = [System.Environment]::MachineName } #close class definition #function that use the class Function Get-DirectoryInfo { [cmdletbinding()] [alias("dw")] [OutputType("DirectoryStat")] Param( [Parameter(Position = 0,HelpMessage = "Specify the top level path.")] [ValidateScript( { (Test-Path $_ ) -AND ((Get-Item $_).PSProvider.name -eq "FileSystem") })] [string]$Path = ".", [Parameter(HelpMessage = " The Depth parameter determines the number of subdirectory levels to recursively query.")] [int32]$Depth ) Begin { Write-Verbose "Starting $($MyInvocation.MyCommand)" #initialize a collection to hold the results $data = [System.Collections.Generic.list[object]]::new() function _newDirectoryStat { [CmdletBinding()] Param( [Parameter(ValueFromPipelineByPropertyName, Mandatory)] [string]$PSPath ) Begin {} Process { $path = Convert-Path $PSPath $name = Split-Path -Path $Path -Leaf $stat = Get-ChildItem -Path $path -File | Measure-Object -Property Length -Sum $ds = [DirectoryStat]::New() $ds.Name = $name $ds.Path = $Path $ds.FileCount = $stat.Count $ds.FileSize = $stat.Sum $ds.Parent = (Get-Item -Path $path).Parent.FullName $ds } end {} } Write-Verbose "PSBoundParameters" Write-Verbose ($PSBoundParameters | Out-String) #build a hashtable of parameters to splat to Get-ChildItem $gciParams = @{ Path = $Path Directory = $True } if ($PSBoundParameters["Depth"]) { $gciParams.Add("Depth", $PSBoundParameters["Depth"]) $gciParams.Add("Recurse",$True) } } #begin Process { Write-Verbose "Processing $(Convert-Path $Path)" #add each result as a DirectoryStat object to the collection $data.Add((Get-ChildItem @gciParams | _newDirectoryStat)) } #Process End { <# Use ForEach-Object to write individual DirectoryStat objects to the pipeline. Otherwise the output from this command is System.Object[]. I'll also pre-sort the results alphabetically. #> $data | ForEach-Object {$_} | Sort-Object -Property Parent, Name Write-Verbose "Ending $($MyInvocation.MyCommand)" } } #define additional type extensions Update-TypeData -TypeName DirectoryStat -MemberType ScriptProperty -MemberName NameCount -value {"$($this.name) [$($this.filecount)]"} -force Update-TypeData -TypeName DirectoryStat -MemberType ScriptProperty -MemberName NameSize -Value { "$($this.name) [$($this.filesize)]" } -force Update-TypeData -TypeName DirectoryStat -DefaultDisplayProperty NameCount -force Update-TypeData -TypeName DirectoryStat -DefaultDisplayPropertySet Path,Name,FileCount,FileSize,Parent -Force |