PowerShell/docs/check-symlinks.md
2024-05-19 10:25:56 +02:00

104 lines
2.9 KiB
Markdown
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

Script: *check-symlinks.ps1*
========================
This PowerShell script checks every symbolic link in a folder (including subfolders).
It returns the number of broken symlinks as exit value.
Parameters
----------
```powershell
PS> ./check-symlinks.ps1 [[-Folder] <String>] [<CommonParameters>]
-Folder <String>
Specifies the path to the folder
Required? false
Position? 1
Default value
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
-------
```powershell
PS> ./check-symlinks C:\Users
Checking symlinks at 📂C:\Users including subfolders...
Found 0 broken symlinks at 📂C:\Users in 60 sec
```
Notes
-----
Author: Markus Fleschutz | License: CC0
Related Links
-------------
https://github.com/fleschutz/PowerShell
Script Content
--------------
```powershell
<#
.SYNOPSIS
Checks symlinks in a folder
.DESCRIPTION
This PowerShell script checks every symbolic link in a folder (including subfolders).
It returns the number of broken symlinks as exit value.
.PARAMETER folder
Specifies the path to the folder
.EXAMPLE
PS> ./check-symlinks C:\Users
⏳ Checking symlinks at 📂C:\Users including subfolders...
✔️ Found 0 broken symlinks at 📂C:\Users in 60 sec
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
param([string]$Folder = "")
try {
if ($Folder -eq "" ) { $Folder = read-host "Enter the path to the folder" }
$StopWatch = [system.diagnostics.stopwatch]::startNew()
$FullPath = Resolve-Path "$Folder"
"⏳ Checking symlinks at 📂$FullPath including subfolders..."
[int]$NumTotal = [int]$NumBroken = 0
Get-ChildItem $FullPath -recurse | Where { $_.Attributes -match "ReparsePoint" } | ForEach-Object {
$Symlink = $_.FullName
$Target = ($_ | Select-Object -ExpandProperty Target -ErrorAction Ignore)
if ($Target) {
$path = $_.FullName + "\..\" + ($_ | Select-Object -ExpandProperty Target)
$item = Get-Item $path -ErrorAction Ignore
if (!$item) {
$NumBroken++
"Symlink $Symlink to: $Target seems broken (#$NumBroken)"
}
}
$NumTotal++
}
[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
if ($NumTotal -eq 0) {
"✔️ No symlink found at 📂$FullPath in $Elapsed sec"
} elseif ($NumBroken -eq 1) {
"✔️ Found $NumBroken broken symlink at 📂$FullPath in $Elapsed sec"
} else {
"✔️ Found $NumBroken broken symlinks at 📂$FullPath in $Elapsed sec"
}
exit $NumBroken
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}
```
*(generated by convert-ps2md.ps1 using the comment-based help of check-symlinks.ps1 as of 05/19/2024 10:25:18)*