PowerShell/Scripts/check-symlinks.ps1
2022-01-29 12:47:46 +01:00

46 lines
1.3 KiB
PowerShell
Executable File

<#
.SYNOPSIS
Checks every symlink in a folder
.DESCRIPTION
This PowerShell script checks every symlink in a folder (including subfolders).
Returns the number of broken symlinks as exit value.
.PARAMETER folder
Specifies the path to the directory tree
.EXAMPLE
PS> ./check-symlinks .
✔️ 0 out of 10 symlinks are broken in 📂/home/markus
.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" }
$FullPath = Resolve-Path "$folder"
write-progress "Checking every symlink in 📂$FullPath..."
[int]$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) {
write-warning "Broken symlink $Symlink -> $Target"
$NumBroken++
}
}
$NumTotal++
}
"✔️ $NumBroken out of $NumTotal symlinks are broken in 📂$FullPath"
exit $NumBroken
} catch {
"⚠️ Error: $($Error[0]) ($($MyInvocation.MyCommand.Name):$($_.InvocationInfo.ScriptLineNumber))"
exit 1
}