samples/Get-ZeroSize.ps1
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#requires -module CIMCmdlets Function Get-ZeroLengthFiles { [CmdletBinding()] [alias("gzf", "zombie")] Param( [Parameter(Position = 0,HelpMessage = "Specify a path to search.")] [ValidateScript( {Test-Path -Path $_ })] [string]$Path = ".", [switch]$Recurse ) Begin { Write-Verbose "[$((Get-Date).TimeofDay) BEGIN ] Starting $($myinvocation.mycommand)" #select a subset of properties which speeds things up $get = "Name", "CreationDate", "LastModified", "FileSize" $cimParams = @{ Classname = "CIM_DATAFILE" Property = $get ErrorAction = "Stop" Filter = "" } } #begin Process { Write-Verbose "[$((Get-Date).TimeofDay) PROCESS] Using specified path $Path" #test if folder is using a link or reparse point if ( (Get-Item -path $Path).Target) { $target = (Get-Item -path $Path).Target Write-Verbose "[$((Get-Date).TimeofDay) PROCESS] A reparse point was detected pointing towards $target" #re-define $path to use the target $Path = $Target } #convert the path to a file system path Write-Verbose "[$((Get-Date).TimeofDay) PROCESS] Converting $Path" $cPath = Convert-Path $Path Write-Verbose "[$((Get-Date).TimeofDay) PROCESS] Converted to $cPath" #trim off any trailing \ if cPath is other than a drive root like C:\ if ($cpath.Length -gt 3 -AND $cpath -match "\\$") { $cpath = $cpath -replace "\\$", "" } #parse out the drive $drive = $cpath.Substring(0, 2) Write-Verbose "[$((Get-Date).TimeofDay) PROCESS] Using Drive $drive" #get the folder path from the first \ $folder = $cpath.Substring($cpath.IndexOf("\")).replace("\", "\\") Write-Verbose "[$((Get-Date).TimeofDay) PROCESS] Using folder $folder (escaped)" if ($folder -match "\w+" -AND $PSBoundParameters.ContainsKey("Recurse")) { #create the filter to use the wildcard for recursing $filter = "Drive='$drive' AND Path LIKE '$folder\\%' AND FileSize=0" } elseif ($folder -match "\w+") { #create an exact path pattern $filter = "Drive='$drive' AND Path='$folder\\' AND FileSize=0" } else { #create a root drive filter for a path like C:\ $filter = "Drive='$drive' AND Path LIKE '\\%' AND FileSize=0" } #add the filter to the parameter hashtable $cimParams.filter = $filter Write-Verbose "[$((Get-Date).TimeofDay) PROCESS] Looking for zero length files with filter $filter" #initialize a counter to keep track of the number of files found $i=0 Try { Write-Host "Searching for zero length files in $cpath. This might take a few minutes..." -ForegroundColor magenta #find files matching the query and create a custom object for each Get-CimInstance @cimParams | ForEach-Object { #increment the counter $i++ #create a custom object [PSCustomObject]@{ PSTypeName = "cimZeroLengthFile" Path = $_.Name Size = $_.FileSize Created = $_.CreationDate LastModified = $_.LastModified } } } Catch { Write-Warning "Failed to run query. $($_.exception.message)" } if ($i -eq 0) { #display a message if no files were found Write-Host "No zero length files were found in $cpath." -ForegroundColor yellow } else { Write-Verbose "[$((Get-Date).TimeofDay) PROCESS] Found $i matching files" } } #process End { Write-Verbose "[$((Get-Date).TimeofDay) END ] Ending $($myinvocation.mycommand)" } #end } |