<# .SYNTAX list-unused-files.ps1 .DESCRIPTION lists files in the with last access time older than .LINK https://github.com/fleschutz/PowerShell .NOTES Author: Markus Fleschutz / License: CC0 #> param($DirTree = "", [int]$NumberOfDaysUnused = 99) write-host "Listing files in $DirTree with last access time older than $NumberOfDaysUnused days" try { $cutOffDate = (Get-Date).AddDays(-$NumberOfDaysUnused) Get-ChildItem -path $DirTree -recurse | Where-Object {$_.LastAccessTime -le $cutOffDate} | select fullname exit 0 } catch { write-error "ERROR: line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])" exit 1 }