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99 lines
2.7 KiB
Markdown
99 lines
2.7 KiB
Markdown
Script: *list-unused-files.ps1*
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========================
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This PowerShell script scans a directory tree and lists unused files (no read/write access since a number of days).
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Parameters
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----------
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```powershell
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PS> ./list-unused-files.ps1 [[-path] <String>] [[-days] <Int32>] [<CommonParameters>]
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-path <String>
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Specifies the path to the directory tree (current working dir by default)
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Required? false
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Position? 1
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Default value "$PWD"
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Accept pipeline input? false
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Accept wildcard characters? false
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-days <Int32>
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Specifies the number of days (100 by default)
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Required? false
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Position? 2
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Default value 100
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Accept pipeline input? false
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Accept wildcard characters? false
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[<CommonParameters>]
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This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
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WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
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```
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Example
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-------
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```powershell
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PS> ./list-unused-files.ps1 C:\Windows
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...
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✔️ Found 43729 unused files (no access for 100 days) within 📂C:\Windows in 113 sec
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```
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Notes
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-----
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Author: Markus Fleschutz | License: CC0
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Related Links
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-------------
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https://github.com/fleschutz/PowerShell
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Script Content
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--------------
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```powershell
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<#
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.SYNOPSIS
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Lists unused files in a directory tree
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.DESCRIPTION
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This PowerShell script scans a directory tree and lists unused files (no read/write access since a number of days).
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.PARAMETER path
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Specifies the path to the directory tree (current working dir by default)
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.PARAMETER days
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Specifies the number of days (100 by default)
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.EXAMPLE
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PS> ./list-unused-files.ps1 C:\Windows
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...
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✔️ Found 43729 unused files (no access for 100 days) within 📂C:\Windows in 113 sec
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.LINK
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https://github.com/fleschutz/PowerShell
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.NOTES
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Author: Markus Fleschutz | License: CC0
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#>
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param([string]$path = "$PWD", [int]$days = 100)
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try {
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$stopWatch = [system.diagnostics.stopwatch]::startNew()
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$path = Resolve-Path "$path"
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Write-Progress "Scanning $path for unused files..."
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$cutOffDate = (Get-Date).AddDays(-$Days)
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[int]$count = 0
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Get-ChildItem -path $path -recurse | Where-Object {$_.LastAccessTime -le $cutOffDate} | Foreach-Object {
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"📄$($_.FullName)"
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$count++
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}
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Write-Progress -completed " "
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[int]$elapsed = $stopWatch.Elapsed.TotalSeconds
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"✔️ Found $count unused files (no access for $days days) within 📂$path in $elapsed sec"
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exit 0 # success
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} catch {
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"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
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}
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```
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*(generated by convert-ps2md.ps1 using the comment-based help of list-unused-files.ps1 as of 03/27/2024 17:36:29)*
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