PowerShell/Docs/list-unused-files.md
2022-11-17 20:02:26 +01:00

2.0 KiB

The list-unused-files.ps1 PowerShell Script

This PowerShell script scans and lists files in a folder with last access time older than number of days.

Parameters

list-unused-files.ps1 [[-DirTree] <String>] [[-Days] <Int32>] [<CommonParameters>]

-DirTree <String>
    Specifies the path to the directory tree
    
    Required?                    false
    Position?                    1
    Default value                
    Accept pipeline input?       false
    Accept wildcard characters?  false

-Days <Int32>
    Specifies the number of days
    
    Required?                    false
    Position?                    2
    Default value                100
    Accept pipeline input?       false
    Accept wildcard characters?  false

[<CommonParameters>]
    This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, 
    WarningVariable, OutBuffer, PipelineVariable, and OutVariable.

Example

PS> ./list-unused-files C:\ 100

Notes

Author: Markus Fleschutz | License: CC0

https://github.com/fleschutz/PowerShell

Source Code

<# .SYNOPSIS Lists unused files in a directory tree .DESCRIPTION This PowerShell script scans and lists files in a folder with last access time older than number of days. .PARAMETER DirTree Specifies the path to the directory tree .PARAMETER Days Specifies the number of days .EXAMPLE PS> ./list-unused-files C:\ 100 .LINK https://github.com/fleschutz/PowerShell .NOTES Author: Markus Fleschutz | License: CC0 #>

param([string]$DirTree = "", [int]$Days = 100)

write-host "Listing files in $DirTree with last access time older than $Days days"

try { $cutOffDate = (Get-Date).AddDays(-$Days)

Get-ChildItem -path $DirTree -recurse | Where-Object {$_.LastAccessTime -le $cutOffDate} | select fullname

exit 0 # success

} catch { "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])" exit 1 }

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